Bump actions/checkout from 2.4.0 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3)

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

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

.github/workflows/example.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@v1.3.2

.github/workflows/golang.yml

@@ -24,7 +24,7 @@ jobs:
           check-latest: true
 
       - name: Check out code
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: Cache Go modules
         uses: actions/cache@v2.1.7
@@ -86,7 +86,7 @@ jobs:
           cosign-release: 'v1.5.1'
 
       - name: Checkout
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0