Bump actions/setup-go from 2 to 3.1.0

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 2 to 3.1.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v2...v3.1.0)

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

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

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3.1.0
         with:
           go-version: ${{ matrix.go_version }}
       - run: ./.ci.gogenerate.sh