chore(deps): update actions/cache action to v4 (release/v1.32.x) (#10493)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-common.yml

@@ -228,7 +228,7 @@ jobs:
 
       # vaadin tests use pnpm
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.pnpm-store
           key: ${{ runner.os }}-test-cache-pnpm-modules

.github/workflows/reusable-test-indy.yml

@@ -54,7 +54,7 @@ jobs:
 
       # vaadin tests use pnpm
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.pnpm-store
           key: ${{ runner.os }}-test-latest-cache-pnpm-modules

.github/workflows/reusable-test-latest-deps.yml

@@ -47,7 +47,7 @@ jobs:
 
       # vaadin tests use pnpm
       - name: Cache pnpm modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.pnpm-store
           key: ${{ runner.os }}-test-latest-cache-pnpm-modules