Bump actions/checkout from 2.3.4 to 3.3.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 3.3.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.4...v3.3.0)

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

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

.github/workflows/build-test.yml

@@ -34,7 +34,7 @@ jobs:
       mailhog:
         image: mailhog/mailhog
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.3.0
       - name: docker build (target builder)
         run: docker build --target builder --file Dockerfile --tag allaboutapps.dev/aw/go-starter:builder-${GITHUB_SHA} .
       - name: docker build (target app)
@@ -93,6 +93,6 @@ jobs:
     runs-on: ubuntu-latest
     container: swaggerapi/swagger-codegen-cli
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3.3.0
       - name: run the main swagger.yml validation
         run: java -jar /opt/swagger-codegen-cli/swagger-codegen-cli.jar validate -i ./api/swagger.yml

.github/workflows/codeql-analysis.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v3.3.0
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.