Merge branch 'support-go-install' into 'main'

feat: support go install in more recent versions of go

See merge request gitlab-com/gl-infra/common-ci-tasks!25

go-unittests.yml

@@ -3,7 +3,7 @@ go_unittests:
   stage: validate
   needs: []
   script:
-    - go get gotest.tools/gotestsum
+    - go install gotest.tools/gotestsum@latest || go get gotest.tools/gotestsum
     - gotestsum --junitfile report.xml --format testname
   artifacts:
     when: always