chore/release 2.12.0 to develop

[snehaagni]

• Bump version and update CHANGELOG for core v2.12.0
• core/services: fix ocrWrapper saveError contexts (core/services: fix ocrWrapper saveError contexts #13139)
• changed spammy error log to debug (changed spammy error log to debug #13153)
• Updating changelog for 2.12.0 with cherry pick fix
• BCF-3225 - Implement forwarder fallback if forwarder not present as a transmitter on OCR2 aggregator (BCF-3225 - Implement forwarder fallback if forwarder not present as a transmitter on OCR2 aggregator #13221)
• Fix panic on mercury server error (Fix panic on mercury server error #13231) (Fix panic on mercury server error (#13231) #13256)
• Fixed CPU usage issues caused by inefficiencies in HeadTracker (Fixed CPU usage issues caused by inefficiencies in HeadTracker #13230)
• Update CHANGELOG for 2.12.0 bugfixes
• Decouple ChainType from config string SHIP-2001 (Decouple ChainType from config string [SHIP-2001] #13272)
• Index only the fifth word to reduce the db size overhead (BCF-3244 Index only the fifth word to reduce the db size overhead #13315)
• Add special transmitter for OCR2 feeds (Add special transmitter for OCR2 feeds #13323) * Add special transmitter for OCR2 feeds
• Improve ocr2FeedsTransmitter FromAddress() fallback (Improve ocr2FeedsTransmitter FromAddress() fallback #13343)
• Update 2.12.0 Changelog with bugfixes
• core/services/pipeline: bridge task must continue after cancellation
• core/services/pipeline: use request context for deletion (core/services/pipeline: use request context for deletion #13404)
• core/services/pipeline: hide deadline from monitor
• Finalize date on changelog for 2.12.0

[github-actions]

I see you updated files related to core. Please run pnpm changeset in the root directory to add a changeset as well as in the text include at least one of the following tags:

• #added For any new functionality added.
• #breaking_change For any functionality that requires manual action for the node to boot.
• #bugfix For bug fixes.
• #changed For any change to the existing functionality.
• #db_update For any feature that introduces updates to database schema.
• #deprecation_notice For any upcoming deprecation functionality.
• #internal For changesets that need to be excluded from the final changelog.
• #nops For any feature that is NOP facing and needs to be in the official Release Notes for the release.
• #removed For any functionality/config that is removed.
• #updated For any functionality that is updated.
• #wip For any change that is not ready yet and external communication about it should be held off till it is feature complete.