ci(frontend): e2e - don't use docker image (#97)

- Followup of
https://github.com/stats-organization/github-stats-extended/pull/91

Dependabot does not update the version specified in the container image.
Reading the version directly from package.json prevents potential
version mismatches.

.github/workflows/ci.yml

@@ -62,20 +62,6 @@ jobs:
 
     runs-on: ubuntu-latest
 
-    # Use official playwright docker image, which already includes browsers and related system dependencies.
-    # By doing this ci time we can skip the following step:
-    #
-    # ```yml
-    # - name: Install Playwright Browsers
-    #   run: pnpm exec playwright install --with-deps
-    # ```
-    #
-    # By doing so job execution time is reduced by ~20s
-    #
-    # @see https://playwright.dev/docs/docker
-    container:
-      image: mcr.microsoft.com/playwright:v1.58.0-noble
-
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -88,6 +74,9 @@ jobs:
           chmod +x ./vercel-preparation.sh
           ./vercel-preparation.sh
 
+      - name: Install Playwright Browsers
+        run: pnpm exec playwright install --with-deps
+
       - name: Run Playwright tests
         run: pnpm --filter frontend run test:e2e