Upgrade to ccache 4.8 and make version configurable (#12)

* Add ccache version flag and default to 4.8

* Use the ccache version on github's path

ccache/action.yml

@@ -27,6 +27,11 @@ inputs:
     default: '2019'
     description: The version of Visual Studio to use (Windows only)
     type: string
+  ccache-version:
+    required: false
+    default: '4.8'
+    description: A pinned version of ccache
+    type: string
 
 runs:
   using: 'composite'
@@ -38,6 +43,17 @@ runs:
       shell: bash
       run: ln -fs $GH_ACTION_DIR $GH_ACTION_CLONE
 
+    - name: Setup ccache on Windows
+      if: ${{ runner.os == 'Windows' }}
+      uses: ./../../_actions/current/internal/ccache-setup-windows
+      with:
+        ccache-version: ${{ inputs.ccache-version }}
+        vsversion: ${{ inputs.vsversion }}
+    - name: Setup ccache on Mac
+      if: ${{ runner.os == 'macOS' }}
+      shell: bash
+      run: brew install ccache
+
     - name: Configure ccache environment variables
       shell: bash
       run: |
@@ -48,17 +64,7 @@ runs:
         echo "CCACHE_MAXSIZE=100M" >> $GITHUB_ENV
         echo "CCACHE_SLOPPINESS=clang_index_store,include_file_ctime,include_file_mtime,file_macro,time_macros" >> $GITHUB_ENV
         echo "CCACHE_DIRECT=true" >> $GITHUB_ENV
-        echo "CCACHE_CMAKE_FLAGS=-Dprotobuf_ALLOW_CCACHE=ON -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache" >> $GITHUB_ENV
-
-    - name: Setup ccache on Windows
-      if: ${{ runner.os == 'Windows' }}
-      uses: ./../../_actions/current/internal/ccache-setup-windows
-      with:
-        vsversion: ${{ inputs.vsversion }}
-    - name: Setup ccache on Mac
-      if: ${{ runner.os == 'macOS' }}
-      shell: bash
-      run: brew install ccache
+        echo "CCACHE_CMAKE_FLAGS=-Dprotobuf_ALLOW_CCACHE=ON -DCMAKE_C_COMPILER_LAUNCHER=$(which ccache) -DCMAKE_CXX_COMPILER_LAUNCHER=$(which ccache)" >> $GITHUB_ENV
 
     - name: Setup fixed path ccache caching
       uses: actions/cache@627f0f41f6904a5b1efbaed9f96d9eb58e92e920 # v3.2.4