Add :git_graph_type to backmerge action#596

mokagio wants to merge 2 commits intomokagio/mermaid-backmergewordpress-mobile/release-toolkit:mokagio/mermaid-backmergefrom

mokagio/mermaid-backmerge-choose-graphwordpress-mobile/release-toolkit:mokagio/mermaid-backmerge-choose-graphCopy head branch name to clipboard