chore(deps): update actions/cache action to v6

setup-db/action.yaml

@@ -28,7 +28,7 @@ runs:
       run: |
         echo "current-date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT
     - id: restore-db
-      uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: ${{ inputs.cache-dir }}
         key: osv-scanner-db-${{ steps.current-date.outputs.current-date }}

setup-osv/action.yaml

@@ -65,7 +65,7 @@ runs:
         echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"
     - name: Cache osv-scanner binary
       id: cache-osv
-      uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
       with:
         path: /usr/local/bin/osv-scanner
         key: osv-scanner-${{ steps.arch.outputs.version }}-${{ steps.arch.outputs.arch }}-${{ steps.arch.outputs.digest }}