chore(deps): update actions/cache action to v5

Author: renovate[bot]

.github/workflows/nextjs_bundle_analysis.yaml

@@ -31,7 +31,7 @@ jobs:
       run: pnpm install
 
     - name: Restore next build
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       id: restore-build-cache
       env:
         cache-name: cache-next-build

.github/workflows/test.yaml

@@ -62,7 +62,7 @@ jobs:
     - name: Setup Playwright
       run: pnpm exec playwright install --with-deps
     - name: Load cached build for speed
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: |
           ${{ github.workspace }}/.next/cache