[Snyk] Security upgrade @actions/github from 4.0.0 to 6.0.0#5

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snyk-fix-a14ea8a8369930da21e1b813cb1f0aa5soloinovator/action-git-diff-suggestions:snyk-fix-a14ea8a8369930da21e1b813cb1f0aa5Copy head branch name to clipboard