switch cache action back

.github/workflows/build.yml

@@ -14,7 +14,7 @@ on:
     - '!no-build-**'    # unless marked as no-build
 
 env:
-  SCCACHE_GHA_ENABLED: "true"
+  SCCACHE_GHA_ENABLED: "on"
 
 jobs:
   build:
@@ -46,8 +46,11 @@ jobs:
       with:
         submodules: recursive
 
-    - name: Configure sccache
-      uses: mozilla-actions/sccache-action@v0.0.3
+    - name: Configure cache
+      uses: hendrikmuhs/ccache-action@v1
+      with:
+        key: ${{ matrix.config.os }}
+        variant: sccache
 
     - uses: ilammy/msvc-dev-cmd@v1
       with:
@@ -72,8 +75,7 @@ jobs:
 
     - name: Configure CMake
       run: >
-        cmake -B
-        ${{ github.workspace }}/build
+        cmake -B ${{ github.workspace }}/build
         ${{ matrix.config.extra_flags }}
         -DCLI_PATH="${{ github.workspace }}/cli"
         -DCMAKE_C_COMPILER_LAUNCHER=sccache