GitHub CLI 2.89.0 பதிவிறக்கம்

What's Changed
- fix(agent-task): resolve Copilot API URL dynamically by @BagToad in #12956
- Remove auto-labels from issue templates by @tidy-dev in #12972
- docs: clarify that gh pr edit --add-reviewer can re-request reviews by @joshjohanning in #13021
- Record agentic invocations in User-Agent header by @williammartin in #13023
- Add AGENTS.md by @williammartin in #13024
- chore(deps): bump google.golang.org/grpc from 1.79.2 to 1.79.3 by @dependabot[bot] in #12963
- Use login-based assignee mutation on github.com by @BagToad in #13009
- Fix typo: remove extra space in README.md link by @realMelTuc in #12725
- chore(deps): bump github.com/google/go-containerregistry from 0.20.7 to 0.21.3 by @dependabot[bot] in #12962
- fix(issue): avoid fetching unnecessary fields for discovery by @babakks in #12884
- chore(deps): bump github.com/zalando/go-keyring from 0.2.6 to 0.2.8 by @dependabot[bot] in #13031
- define err in go func instead of use err defined in outer scope by @Lslightly in #13033
- Consolidate actor-mode signals into ApiActorsSupported by @BagToad in #13025
- Align triage.md with current triage process by @tidy-dev in #13030
- Fix acceptance test failures: git identity, headRepository JSON, obsolete traversal test by @BagToad in #13037
- chore(deps): bump microsoft/setup-msbuild from 2.0.0 to 3.0.0 by @dependabot[bot] in #13005
- chore(deps): bump mislav/bump-homebrew-formula-action from 3.6 to 4.1 by @dependabot[bot] in #13004
- chore(deps): bump azure/login from 2.3.0 to 3.0.0 by @dependabot[bot] in #12951
- Add experimental huh-only prompter gated by GH_EXPERIMENTAL_PROMPTER by @BagToad in #12859

New Contributors
- @joshjohanning made their first contribution in #13021
- @realMelTuc made their first contribution in #12725
- @Lslightly made their first contribution in #13033