beta: rpc-docs set github token

scripts/gitlab/rpc-docs.sh

@@ -29,6 +29,10 @@ setup_git() {
     git config user.name "Devops Parity"
 }
 
+set_remote_wiki() {                                                                                                                                   
+    git config remote.origin.url "https://${GITHUB_TOKEN}@github.com/paritytech/wiki.git"                                                             
+}                                                                                                                                                     
+
 commit_files() {
     echo "__________Commit files__________"
     git checkout -b rpcdoc-update-${CI_COMMIT_REF_NAME}
@@ -53,5 +57,6 @@ build_docs
 cd ..
 update_wiki_docs
 cd wiki
+set_remote_wiki
 commit_files
 upload_files