zero ccache stats between runs

and allow the cache to expand past the persisted max size during the build

.github/workflows/build-linux.yml

@@ -142,9 +142,11 @@ jobs:
       - name: Finalize cache
         if: inputs.platform-files
         run: |
+          ccache --show-stats --verbose
           ccache --max-size 40M
           ccache --cleanup
-          ccache --show-stats --verbose
+          ccache --max-size 500M
+          ccache --zero-stats
       - name: Save ccache
         if: inputs.platform-files && !inputs.cache-readonly
         uses: actions/cache/save@v3

.github/workflows/build-windows.yml

@@ -45,6 +45,7 @@ on:
         type: boolean
         default: false
 
+
 jobs:
   build-win64:
     name: Build win64
@@ -101,9 +102,11 @@ jobs:
       - name: Finalize cache
         run: |
           cd build
+          ccache -d win64-cross/ccache --show-stats --verbose
           ccache -d win64-cross/ccache --max-size 150M
           ccache -d win64-cross/ccache --cleanup
-          ccache -d win64-cross/ccache --show-stats --verbose
+          ccache -d win64-cross/ccache --max-size 500M
+          ccache -d win64-cross/ccache --zero-stats
       - name: Save ccache
         if: inputs.platform-files && !inputs.cache-readonly
         uses: actions/cache/save@v3