chore(deps): update actions/cache action to v5

Author: renovate[bot]

.github/workflows/nightly.yml

@@ -31,7 +31,7 @@ jobs:
     - uses: actions/checkout@v6
 
     - name: Set up ccache for ${{ matrix.arch }}
-      uses: actions/cache@v4.3.0
+      uses: actions/cache@v5.0.3
       with:
         path: ${{ env.CCACHE_DIR }}
         key: ${{ runner.os }}-ccache-nightly-${{ matrix.arch }}-${{ github.sha }}

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
     - uses: actions/checkout@v6
 
     - name: Set up ccache for ${{ matrix.arch }}
-      uses: actions/cache@v4.3.0
+      uses: actions/cache@v5.0.3
       with:
         path: ${{ env.CCACHE_DIR }}
         key: ${{ runner.os }}-ccache-release-${{ matrix.arch }}-${{ github.sha }}