chore(main): release 0.43.0

[release-please]

🤖 I have created a release beep boop

0.43.0 (2026-09-14)

Features

• internal/config: add comment field to configuration schema (#7539) (b1deabc)
• internal/config: add NodejsDefault with custom_scopes (#7525) (f0fd2d4)
• internal/config: rename custom_scopes to custom_package_prefixes (#7536) (8b73142)
• internal/librarian/nodejs: derive package name from custom prefixes (#7553) (f877089)
• internal/librarian/nodejs: support excluding protos from generation (#7574) (fd91f7a), refs #7217
• internal/sidekick/rust: support default_transport configuration (#7503) (5480d3f)
• internal/tool/pip: force reinstall git packages (#7538) (2bf3435)
• sidekick/rust: allow fields to be renamed on BigQuery template (#7563) (6fc6200)
• sidekick/rust: allow fields to be renamed with name_overrides (#7562) (1ee6462)
• sidekick/rust: support unified idempotency_hook configuration (#7523) (4a95ea9)
• sidekick/swift: pass request options to newRequest (#7573) (92b5ee5)
• sidekick/swift: rename DocC landing page (#7557) (9f72f4f)
• sidekick/swift: Storage Control retry policy (#7529) (efaf46c)
• sidekick/swift: use setBody() helper (#7561) (d8392c2)
• swift: add convenience methods without options to StorageControlProtocol (#7537) (a7e2bb7)
• swift: generate LRO polling helpers for StorageControl (#7560) (fedb08b)

Bug Fixes

• .github/workflows: trigger issue creation on go integration failure (#7554) (ced1712), refs #7484
• internal/librarian/ruby: omit copyright_year from librarian.yaml (#7542) (65f3767)
• internal/postprocessing: add support of copy_and_rename as method_operations (#7555) (b10b439)
• rust: avoid use conflicts in setter samples (#7548) (4c72bcc)
• sidekick/swift: normalize monorepo root to forward slashes (#7566) (d6d0250)
• sidekick/swift: serialize enums as strings in ProtoJSON (#7569) (fafac18)

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[release-please]

🤖 Created releases:

• v0.43.0

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