fix(deps): bump actions/checkout from 2 to 2.3.4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 2.3.4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v2.3.4)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           token: ${{ secrets.API_GITHUB_TOKEN }}
 

.github/workflows/test.yml

@@ -13,13 +13,13 @@ jobs:
     steps:
       - name: Checkout with token
         if: github.event_name != 'pull_request'
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           token: ${{ secrets.API_GITHUB_TOKEN }}
 
       - name: Checkout without token
         if: github.event_name == 'pull_request'
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
 
       - name: Setup Go environment
         uses: actions/setup-go@v2.1.3