[firebase-release] Removed change log and reset repo after 14.5.0 release

Author: google-oss-bot

CHANGELOG.md

@@ -1,11 +0,0 @@
-- Improve log messages on skipped App Hosting source deploys. (#8674)
-- Fixed issue in `init` where users were forced to specify emulator UI port (#8626)
-- Added MCP tools for App Hosting (#8605)
-- Fixed crash when starting the App Hosting emulator in certain applications (#8624)
-- Fixed issue where, with `webframeworks` enabled, `firebase init hosting` re-prompts users for source. (#8587)
-- Updated typescript version in functions template to avoid build issue with @google-cloud/storage depedency (#8194)
-- Updated the Firebase Data Connect local toolkit to v2.6.2, which includes the following changes: (#8667)
-  - Improved error messages of `auth.uid` in CEL expressions when unauthenticated.
-  - Fixed a bug where ExecuteGraphql with vector embedding in emulator fails due to missing context.
-- Improved `firebase init firestore` + `firebase deploy` flow on a fresh new project without going to Console (#8653)
-- Added support for Angular v20 to Firebase Hosting (#8672)