chore(deps): pin actions/cache action to 8492260

.github/actions/ci-setup/action.yml

@@ -91,7 +91,7 @@ runs:
           ${{ runner.os }}-pnpm-store-
     # NX cache
     - name: Cache Nx
-      uses: actions/cache@v2
+      uses: actions/cache@8492260343ad570701412c2f464a5877dc76bace # v2
       id: cache-nx
       with:
         path: .cache/nx