copy .github folder into golang build container since we rely on codeowners (#62122)

* copy .github folder into golang build container since we rely on codeowners

* remove .github for .dockerignore

.dockerignore

@@ -2,7 +2,6 @@
 .dockerignore
 .git
 .gitignore
-.github
 .vscode
 bin
 data*

Dockerfile

@@ -53,6 +53,7 @@ COPY public/api-spec.json public/api-spec.json
 COPY pkg pkg
 COPY scripts scripts
 COPY conf conf
+COPY .github .github
 
 RUN make build-go