[ci] Use unique ccache cache keys per job

.github/workflows/linux-ci.yml

@@ -19,6 +19,8 @@ jobs:
       uses: actions/checkout@v3
     - name: Setup Ccache
       uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ${{ github.job }}-${{ runner.os }}-${{ runner.arch }}
     - name: Install Dependencies
       run: |
         sudo apt-get update

.github/workflows/macos-ci.yml

@@ -18,6 +18,8 @@ jobs:
       uses: actions/checkout@v3
     - name: Setup Ccache
       uses: hendrikmuhs/ccache-action@v1.2
+      with:
+        key: ${{ github.job }}-${{ runner.os }}-${{ runner.arch }}
     - name: Install Dependencies
       run: |
         export HOMEBREW_NO_AUTO_UPDATE=1