fix: static build

Author: christophwitzko

.github/workflows/ci.yml

@@ -50,6 +50,8 @@ jobs:
           gox -parallel 4 -osarch="linux/amd64 darwin/amd64 linux/arm windows/amd64" -ldflags="-extldflags '-static' -s -w -X github.com/go-semantic-release/condition-gitlab/pkg/condition.CIVERSION=${{steps.semrel.outputs.version}}" -output="bin/{{.Dir}}_v${{steps.semrel.outputs.version}}_{{.OS}}_{{.Arch}}" ./cmd/condition-gitlab/
           cd bin/ && shasum -a 256 * > ./condition-gitlab_v${{steps.semrel.outputs.version}}_checksums.txt && cd -
         if: steps.semrel.outputs.version != ''
+        env:
+          CGO_ENABLED: 0
       - run: ghr $(cat .ghr) bin/
         if: steps.semrel.outputs.version != ''
         env: