build(deps): bump actions/checkout from v2.3.3 to v2.3.4

Bumps [actions/checkout](https://github.com/actions/checkout) from v2.3.3 to v2.3.4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.3...5a4ac90)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/[email protected].3
+        uses: actions/[email protected].4
         with:
           fetch-depth: 0
           persist-credentials: false

.github/workflows/sync-labels.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/[email protected].3
+        uses: actions/[email protected].4
       - name: Sync labels
         uses: micnncim/[email protected]
         env: