Update version of GitHub actions cache

Author: MangaD

.github/workflows/build-debug.yml

@@ -121,7 +121,7 @@ jobs:
     - name: Cache MinGW
       id: cache-mingw
       if: contains(matrix.config.ext, 'windows-mingw')
-      uses: actions/cache@v3.2.1
+      uses: actions/cache@v4
       with:
         path: ./mingw
         key: ${{ runner.os }}-${{ matrix.config.ext }}-cache-${{ steps.cache_timestamp.outputs.timestamp }}
@@ -226,7 +226,7 @@ jobs:
     #     path: ./vcpkg/buildtrees/wxwidgets/install-x64-mingw-dynamic-dbg-out.log
 
     - name: ccache cache files
-      uses: actions/cache@v3.2.1
+      uses: actions/cache@v4
       with:
         path: .ccache
         key: ${{ matrix.config.name }}-ccache-${{ steps.cache_timestamp.outputs.timestamp }}

.github/workflows/build-release.yml

@@ -121,7 +121,7 @@ jobs:
     - name: Cache MinGW
       id: cache-mingw
       if: contains(matrix.config.ext, 'windows-mingw')
-      uses: actions/cache@v3.2.1
+      uses: actions/cache@v4
       with:
         path: ./mingw
         key: ${{ runner.os }}-${{ matrix.config.ext }}-cache-${{ steps.cache_timestamp.outputs.timestamp }}
@@ -229,7 +229,7 @@ jobs:
         file(APPEND "$ENV{GITHUB_OUTPUT}" "timestamp=${current_date}")
 
     - name: ccache cache files
-      uses: actions/cache@v3.2.1
+      uses: actions/cache@v4
       with:
         path: .ccache
         key: ${{ matrix.config.name }}-ccache-${{ steps.cache_timestamp.outputs.timestamp }}

.github/workflows/doxygen-gh-pages.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: Cache Doxygen
         id: cache-doxygen
-        uses: actions/cache@v3.2.1
+        uses: actions/cache@v4
         with:
           path: doxygen-${{ env.DOXYGEN_VERSION }}
           key: doxygen-cache-${{ steps.cache_timestamp.outputs.timestamp }}