Bump actions/setup-go from 2.1.4 to 2.1.5 (#1968)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 2.1.4 to 2.1.5.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v2.1.4...v2.1.5)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/releases.yml

@@ -28,7 +28,7 @@ jobs:
         run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\//}
 
       - name: Set up Go
-        uses: actions/setup-go@v2.1.4
+        uses: actions/setup-go@v2.1.5
         with:
           go-version: 1
         id: go