Bump actions/checkout from 3.2.0 to 3.4.0 (#298)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.2.0 to 3.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@755da8c...24cb908)

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

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

.github/workflows/lint-whitespace.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
 
       - name: Check that every file has no trailing whitespace, and exactly one final newline
         run: ./.github/bin/lint-whitespace

.github/workflows/sync-rest.yml

@@ -202,13 +202,13 @@ jobs:
 
       - name: Checkout main repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           path: main
 
       - name: Checkout target repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           repository: ${{ matrix.repo }}
           token: ${{ secrets.BOT_PERSONAL_ACCESS_TOKEN }}

.github/workflows/sync-tooling.yml

@@ -192,13 +192,13 @@ jobs:
 
       - name: Checkout main repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           path: main
 
       - name: Checkout target repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           repository: ${{ matrix.repo }}
           token: ${{ secrets.BOT_PERSONAL_ACCESS_TOKEN }}

.github/workflows/sync-tracks.yml

@@ -193,13 +193,13 @@ jobs:
 
       - name: Checkout main repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           path: main
 
       - name: Checkout target repo
         if: steps.pr-already-exists.outputs.result == 'false'
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+        uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f
         with:
           repository: ${{ matrix.repo }}
           token: ${{ secrets.BOT_PERSONAL_ACCESS_TOKEN }}