Update release notes and remove sync entries

Removed several sync entries and merged updates, including dependency updates and API enhancements.

Author: akshatsinha007

releasenotes.md

@@ -30,15 +30,13 @@
 - fix: post apis minor validations (#6811)
 - fix: dex scopes override default required scopes (#6816)
 - fix: error handler correction (#6824)
+
 ## Others
 - chore: added sql file of 4.21 (#6716)
 - misc: added support for service extraSpec (#6702)
 - chore: when output dir path is /devtroncd in any pipeline stage step then the ci runner is stuck in recursive self-copy situation  (#6686)
 - misc: Removing default value of idleReplicaCount (#6730)
-- sync: Main sync develop (#6735)
 - chore: chart service crud and configProperties (#6642)
-- sync: Release candidate v0.40.0 (#6740)
-- sync: vendor update (#6741)
 - misc: Added Github Actions for linting and building api specs (#6720)
 - misc: open api spec addition (#6750)
 - misc: Updated the build-docs.yaml  (#6752)
@@ -50,19 +48,11 @@
 - misc: Timeout main notification (#6761)
 - misc: Api changes for env enhancement (#6769)
 - misc: changes in description of api spec (#6767)
-- chore: Merged origin/main branch into develop (#6770)
-- sync: Release candidate v0.41.0 (#6777)
 - chore: Update `authenticator` and `common-lib` dependencies to latest versions. (#6779)
 - chore: added sql files for sync (#6780)
 - chore: migration number chnage (#6783)
 - chore: add resource recommendation APIs and update openapi.yaml (#6784)
 - misc: added support for cronjob annotations and probes (#6787)
 - misc: Validation on payload and Error handling, API Specs revised (#6790)
-- misc: main sync (#6793)
-- misc: Dev sync (#6794) 
-- misc: main sync (#6791)
-- sync: Release candidate v0.42.0 (#6805)
-- sync: vendor update (#6806)
-- misc: Dependa fix (#6809)
 - misc: sql query param refacter (#6810)
 - misc: Argo version update (#6817)