chore(deps): update actions/cache action to v4 (#40)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -157,7 +157,7 @@ jobs:
           echo "PLAYWRIGHT_VERSION=$env:PLAYWRIGHT_VERSION" >> $env:GITHUB_ENV
 
       - name: Cache Playwright's binary
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           key: ${{ runner.os }}-playwright-bin-v1-${{ env.PLAYWRIGHT_VERSION }}
           path: ${{ env.PLAYWRIGHT_BROWSERS_PATH }}