Bump actions/setup-go from 5 to 6 (#831)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Elena Kolevska <elena-kolevska@users.noreply.github.com>
Co-authored-by: Albert Callarisa <albert@diagrid.io>
Co-authored-by: Sam <sam@diagrid.io>

Author: 4 people

.github/workflows/validate_examples.yaml

@@ -97,7 +97,7 @@ jobs:
           dapr --version
       - name: Set up Go ${{ env.GOVER }}
         if: env.DAPR_REF != '' || env.DAPR_CLI_REF != ''
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: ${{ env.GOVER }}
       - name: Set up Llama