chore(deps): upgrade to url-loader@^3 for webpack 5 compatibility

Also upgraded `file-loader`, which is a lockfile-only upgrade.
Actual commands:
```
npm i -DE url-loader@^3 file-loader@^5
npm uninstall file-loader
```

package-lock.json

@@ -108,7 +108,7 @@
         "slick-carousel": "1.6.0",
         "style-loader": "0.12.3",
         "tap": "14.11.0",
-        "url-loader": "2.3.0",
+        "url-loader": "3.0.0",
         "webpack": "4.47.0",
         "webpack-bundle-analyzer": "4.10.1",
         "webpack-cli": "3.3.12",
@@ -9786,6 +9786,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
       "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
+      "dev": true,
       "engines": {
         "node": ">= 0.10"
       }
@@ -11337,21 +11338,45 @@
       }
     },
     "node_modules/file-loader": {
-      "version": "2.0.0",
+      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/file-loader/-/file-loader-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/file-loader/-/file-loader-5.1.0.tgz",
-      "integrity": "sha512-YCsBfd1ZGCyonOKLxPiKPdu+8ld9HAaMEvJewzz+b2eTF7uL5Zm/HdBF6FjCrpCMRq25Mi0U1gl4pwn2TlH7hQ==",
+      "integrity": "sha512-u/VkLGskw3Ue59nyOwUwXI/6nuBCo7KBkniB/l7ICwr/7cPNGsL1WCXUp3GB0qgOOKU1TiP49bv4DZF/LJqprg==",
       "dev": true,
       "optional": true,
       "peer": true,
       "dependencies": {
-        "loader-utils": "^1.0.2",
+        "loader-utils": "^1.4.0",
-        "schema-utils": "^1.0.0"
+        "schema-utils": "^2.5.0"
       },
       "engines": {
-        "node": ">= 6.9.0 < 7.0.0 || >= 8.9.0"
+        "node": ">= 10.13.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
       },
       "peerDependencies": {
-        "webpack": "^2.0.0 || ^3.0.0 || ^4.0.0"
+        "webpack": "^4.0.0 || ^5.0.0"
+      }
+    },
+    "node_modules/file-loader/node_modules/schema-utils": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.7.1.tgz",
+      "integrity": "sha512-SHiNtMOUGWBQJwzISiVYKu82GiV4QYGePp3odlY1tuKO7gPtphAT5R/py0fA6xtbgLL/RvtJZnU9b8s0F1q0Xg==",
+      "dev": true,
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "@types/json-schema": "^7.0.5",
+        "ajv": "^6.12.4",
+        "ajv-keywords": "^3.5.2"
+      },
+      "engines": {
+        "node": ">= 8.9.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
       }
     },
     "node_modules/file-type": {
@@ -16855,18 +16880,26 @@
       }
     },
     "node_modules/loader-utils": {
-      "version": "1.2.3",
+      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.2.3.tgz",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.2.tgz",
-      "integrity": "sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==",
+      "integrity": "sha512-I5d00Pd/jwMD2QCduo657+YM/6L3KZu++pmX9VFncxaxvHcru9jx1lBaFft+r4Mt2jK0Yhp41XlRAihzPxHNCg==",
       "dependencies": {
         "big.js": "^5.2.2",
-        "emojis-list": "^2.0.0",
+        "emojis-list": "^3.0.0",
         "json5": "^1.0.1"
       },
       "engines": {
         "node": ">=4.0.0"
       }
     },
+    "node_modules/loader-utils/node_modules/emojis-list": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
+      "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
     "node_modules/locate-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
@@ -29281,9 +29314,9 @@
       }
     },
     "node_modules/url-loader": {
-      "version": "2.3.0",
+      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/url-loader/-/url-loader-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/url-loader/-/url-loader-3.0.0.tgz",
-      "integrity": "sha512-goSdg8VY+7nPZKUEChZSEtW5gjbS66USIGCeSJ1OVOJ7Yfuh/36YxCwMi5HVEJh6mqUYOoy3NJ0vlOMrWsSHog==",
+      "integrity": "sha512-a84JJbIA5xTFTWyjjcPdnsu+41o/SNE8SpXMdUvXs6Q+LuhCD9E2+0VCiuDWqgo3GGXVlFHzArDmBpj9PgWn4A==",
       "dev": true,
       "dependencies": {
         "loader-utils": "^1.2.3",
@@ -29291,11 +29324,15 @@
         "schema-utils": "^2.5.0"
       },
       "engines": {
-        "node": ">= 8.9.0"
+        "node": ">= 10.13.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
       },
       "peerDependencies": {
         "file-loader": "*",
-        "webpack": "^4.0.0"
+        "webpack": "^4.0.0 || ^5.0.0"
       },
       "peerDependenciesMeta": {
         "file-loader": {
@@ -30235,29 +30272,6 @@
         "wrap-ansi": "^5.1.0"
       }
     },
-    "node_modules/webpack-cli/node_modules/emojis-list": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
-      "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
-      "dev": true,
-      "engines": {
-        "node": ">= 4"
-      }
-    },
-    "node_modules/webpack-cli/node_modules/loader-utils": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
-      "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
-      "dev": true,
-      "dependencies": {
-        "big.js": "^5.2.2",
-        "emojis-list": "^3.0.0",
-        "json5": "^1.0.1"
-      },
-      "engines": {
-        "node": ">=4.0.0"
-      }
-    },
     "node_modules/webpack-cli/node_modules/string-width": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",

package.json

@@ -143,7 +143,7 @@
     "slick-carousel": "1.6.0",
     "style-loader": "0.12.3",
     "tap": "14.11.0",
-    "url-loader": "2.3.0",
+    "url-loader": "3.0.0",
     "webpack": "4.47.0",
     "webpack-bundle-analyzer": "4.10.1",
     "webpack-cli": "3.3.12",