[llvm] [Github] Account for cross-repo PRs in prune-unused-branches (PR #181232)

[Aiden Grossman via llvm-commits]

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@@ -22,11 +22,11 @@ def branch_filter(branch_name):
     return [branch.replace("remotes/origin/", "") for branch in filtered_branches]
 
 
-def get_branches_from_open_prs(github_token) -> list[str]:
+def query_prs(github_token, extra_query_criteria):
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boomanaiden154 wrote:

Good point. Updated.

https://github.com/llvm/llvm-project/pull/181232