Update actions/cache to v3

.github/workflows/osrm-backend.yml

@@ -79,7 +79,7 @@ jobs:
       with:
         node-version: 12
     - name: Enable Node.js cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.npm
         key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
@@ -104,7 +104,7 @@ jobs:
       - name: Check out the repo
         uses: actions/checkout@v3
       - name: Enable osm.pbf cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: berlin-latest.osm.pbf
           key: v1-berlin-osm-pbf
@@ -526,28 +526,28 @@ jobs:
       with:
         node-version: ${{ matrix.node }}
     - name: Enable Node.js cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.npm
         key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
         restore-keys: |
           ${{ runner.os }}-node-
     - name: Enable compiler cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.ccache
         key: ccache-${{ matrix.name }}-${{ github.sha }}
         restore-keys: |
           ccache-${{ matrix.name }}-
     - name: Enable Conan cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.conan
         key: v6-conan-${{ matrix.name }}-${{ github.sha }}
         restore-keys: |
           v6-conan-${{ matrix.name }}-
     - name: Enable test cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ${{github.workspace}}/test/cache
         key: v3-test-${{ matrix.name }}-${{ github.sha }}