Chore: Actions updates and cleanup (#8377)

## Summary

...

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8377-WIP-Chore-Actions-updates-and-cleanup-2f66d73d3650818483a8dffa32a6f245)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Amp <amp@ampcode.com>

.github/workflows/ci-lint-format.yaml

@@ -18,23 +18,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout PR
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || github.ref }}
 
-      - name: Install pnpm
-        uses: pnpm/action-setup@v4
-        with:
-          version: 10
-
-      - name: Use Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 'lts/*'
-          cache: 'pnpm'
-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+      - name: Setup frontend
+        uses: ./.github/actions/setup-frontend
 
       - name: Run ESLint with auto-fix
         run: pnpm lint:fix
@@ -73,7 +62,7 @@ jobs:
       - name: Comment on PR about auto-fix
         if: steps.verify-changed-files.outputs.changed == 'true' && github.event.pull_request.head.repo.full_name == github.repository
         continue-on-error: true
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.issues.createComment({
@@ -86,7 +75,7 @@ jobs:
       - name: Comment on PR about manual fix needed
         if: steps.verify-changed-files.outputs.changed == 'true' && github.event.pull_request.head.repo.full_name != github.repository
         continue-on-error: true
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.issues.createComment({