Bump crazy-max/ghaction-xgo from 1.7.0 to 1.8.0 (#20)

Bumps [crazy-max/ghaction-xgo](https://github.com/crazy-max/ghaction-xgo) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/crazy-max/ghaction-xgo/releases)
- [Changelog](https://github.com/crazy-max/ghaction-xgo/blob/master/CHANGELOG.md)
- [Commits](crazy-max/ghaction-xgo@v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: crazy-max/ghaction-xgo
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

.github/workflows/go.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Test package
         run: go test ./...
       - name: Build with xgo
-        uses: crazy-max/ghaction-xgo@v1.7.0
+        uses: crazy-max/ghaction-xgo@v1.8.0
         with:
           xgo_version: latest
           go_version: ${{ matrix.go_version }}