fix(deps): update rust crate bitflags to v2.9.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
bitflags	dependencies	patch	2.9.0 -> 2.9.1

---

Release Notes

bitflags/bitflags (bitflags)

v2.9.1

Compare Source

What's Changed

• Document Cargo features by @​KodrAus in https://github.com/bitflags/bitflags/pull/444

Full Changelog: bitflags/bitflags@2.9.0...2.9.1

---

Configuration

📅 Schedule: Branch creation - Tuesday through Thursday ( * * * * 2-4 ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Rust Benchmark

Benchmark suite	Current: 091115e	Previous: 4738d3f	Ratio
rule-match-browserlike/brave-list	2285172991 ns/iter (± 9514199)	2252126465 ns/iter (± 13369021)	1.01
rule-match-first-request/brave-list	1013593 ns/iter (± 6761)	1000284 ns/iter (± 8364)	1.01
blocker_new/brave-list	162362741 ns/iter (± 2099580)	150674514 ns/iter (± 1975624)	1.08
blocker_new/brave-list-deserialize	75102227 ns/iter (± 2028503)	62360204 ns/iter (± 1865060)	1.20
memory-usage/brave-list-initial	16225933 ns/iter (± 3)	16225933 ns/iter (± 3)	1
memory-usage/brave-list-initial/max	64817658 ns/iter (± 3)	64817658 ns/iter (± 3)	1
memory-usage/brave-list-initial/alloc-count	1514650 ns/iter (± 3)	1514650 ns/iter (± 3)	1
memory-usage/brave-list-1000-requests	2505576 ns/iter (± 3)	2505592 ns/iter (± 3)	1.00
memory-usage/brave-list-1000-requests/alloc-count	66038 ns/iter (± 3)	66070 ns/iter (± 3)	1.00

This comment was automatically generated by workflow using github-action-benchmark.

[github-actions]

⚠️ Performance Alert ⚠️

Possible performance regression was detected for benchmark 'Rust Benchmark'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.10.

Benchmark suite	Current: 091115e	Previous: 4738d3f	Ratio
blocker_new/brave-list-deserialize	75102227 ns/iter (± 2028503)	62360204 ns/iter (± 1865060)	1.20

This comment was automatically generated by workflow using github-action-benchmark.