chore(deps): update actions/cache action to v4

Author: renovate[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           node-version: 16.x
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-pnpm-modules
         with:

.github/workflows/deploy.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-pnpm-modules
         with: