rust-guard: merge duplicate search_issues/search_pull_requests arms; narrow labels pub use#3858

lpcox merged 2 commits intomaingithub/gh-aw-mcpg:mainfrom

copilot/rust-guard-merge-duplicate-search-armsgithub/gh-aw-mcpg:copilot/rust-guard-merge-duplicate-search-armsCopy head branch name to clipboard