Bump actions/checkout from 2 to 4 (#2359)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/asana.yml

@@ -14,7 +14,7 @@ jobs:
   sync:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: sammacbeth/action-asana-sync@v6
         with:
           ASANA_ACCESS_TOKEN: ${{ secrets.ASANA_ACCESS_TOKEN }}

.github/workflows/auto-respond-pr.yml

@@ -16,14 +16,14 @@ jobs:
 
     steps:
       - name: Checkout base branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.base.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           path: base
 
       - name: Checkout PR branch
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}

.github/workflows/push-to-stage.yml

@@ -20,7 +20,7 @@ jobs:
       shell: bash
       run: echo "##[set-output name=branch;]$(echo ${GITHUB_HEAD_REF#refs/heads/})"
       id: extract_branch_pr
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: npm install
     - uses: ./

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
   unit:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js 16
         uses: actions/setup-node@v4
         with:
@@ -30,7 +30,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js 20
         uses: actions/setup-node@v4
         with: