v2.267.0

What's Changed

• refactor(app): MockBody convenience functions for test code by @cratelyn in #3349
• build(deps): bump codecov/codecov-action from 5.0.2 to 5.0.4 by @dependabot in #3372
• feat(app): Backend frame count metrics by @cratelyn in #3308
• refactor(app): Outline route label extractor by @cratelyn in #3337
• build(deps): bump itoa from 1.0.11 to 1.0.13 by @dependabot in #3374
• build(deps): bump unicode-ident from 1.0.13 to 1.0.14 by @dependabot in #3370
• build(deps): bump proc-macro2 from 1.0.89 to 1.0.91 by @dependabot in #3373
• policy: use TLS/TCP filters from proxy API response by @zaharidichev in #3377
• feat(app): Route frame count metrics by @cratelyn in #3334

Full Changelog: release/v2.266.0...release/v2.267.0