feat: update release notes and changelog after recent changes

Signed-off-by: Manan Gupta <[email protected]>

doc/releasenotes/16_0_0_changelog.md

@@ -28,7 +28,8 @@
  * Examples: Add lib functions to wait for shard states [#12239](https://github.com/vitessio/vitess/pull/12239)
  * Examples: Correct VTAdmin Discovery File Path And Add Check [#12415](https://github.com/vitessio/vitess/pull/12415)
  * examples: Fix Vtop example and release script [#12440](https://github.com/vitessio/vitess/pull/12440)
- * Fix vtctldclient command in vtop test script and the fix operator example [#12458](https://github.com/vitessio/vitess/pull/12458) 
+ * Fix vtctldclient command in vtop test script and the fix operator example [#12458](https://github.com/vitessio/vitess/pull/12458)
+ * Open vtadmin-api port in docker-local example to enable vtadmin access [#12467](https://github.com/vitessio/vitess/pull/12467) 
 #### General
  * [main] Stats Flags: include stats flags in the correct binaries (#11450) [#11453](https://github.com/vitessio/vitess/pull/11453)
  * Test flags: Update logic for parsing test flags to run unit tests within GoLand and to parse test flags in vtgate to allow running unit tests [#11551](https://github.com/vitessio/vitess/pull/11551)
@@ -96,7 +97,8 @@
  * Fix aggregation on outer joins [#12298](https://github.com/vitessio/vitess/pull/12298)
  * [release-16.0] fix: added null safe operator precendence rule (#12297) [#12307](https://github.com/vitessio/vitess/pull/12307)
  * Fix for USING when column names not lower cased [#12379](https://github.com/vitessio/vitess/pull/12379)
- * [release-16.0] Fix bug in vtexplain around JOINs (#12376) [#12384](https://github.com/vitessio/vitess/pull/12384) 
+ * [release-16.0] Fix bug in vtexplain around JOINs (#12376) [#12384](https://github.com/vitessio/vitess/pull/12384)
+ * Fix scalar aggregation engine primitive for column truncation [#12468](https://github.com/vitessio/vitess/pull/12468) 
 #### VReplication
  * VReplication:  escape identifiers when renaming source tables [#11670](https://github.com/vitessio/vitess/pull/11670)
  * VReplication: Prevent Orphaned VDiff2 Jobs [#11768](https://github.com/vitessio/vitess/pull/11768)
@@ -348,7 +350,8 @@
  * Remove Deprecated flags, code and stats. [#12083](https://github.com/vitessio/vitess/pull/12083)
  * Fix release notes on release-16.0 [#12276](https://github.com/vitessio/vitess/pull/12276)
  * Fix summary and release notes [#12283](https://github.com/vitessio/vitess/pull/12283)
- * Reorder summary in order of importance [#12433](https://github.com/vitessio/vitess/pull/12433) 
+ * Reorder summary in order of importance [#12433](https://github.com/vitessio/vitess/pull/12433)
+ * release notes: mark dynamic throttler configuration as experimental [#12475](https://github.com/vitessio/vitess/pull/12475) 
 #### Governance
  * Correct minor inaccuracies in governing docs [#11933](https://github.com/vitessio/vitess/pull/11933) 
 #### Online DDL

doc/releasenotes/16_0_0_release_notes.md

@@ -193,11 +193,12 @@ If you wish to use v1 for any reason, you will now need to specify the `--v1` fl
 
 ### <a id="tablet-throttler"/>Tablet throttler
 
-The tablet throttler can now be configured dynamically. Configuration is now found in the topo service, and applies to all tablets in all shards and cells of a given keyspace. For backwards compatibility `v16` still supports `vttablet`-based command line flags for throttler ocnfiguration.
+The tablet throttler can now be configured dynamically. Configuration is now found in the topo service, and applies to all tablets in all shards and cells of a given keyspace.
+It is possible to enable or disable throttling, and to change the throttling threshold as well as the throttler query.
 
-It is possible to enable/disable, to change throttling threshold as well as the throttler query.
+Please note that this feature is considered experimental in this release. For backwards compatibility `v16` still supports `vttablet`-based command line flags for throttler configuration.
 
-More information on [Pull Request #11604](https://github.com/vitessio/vitess/pull/11604).
+More information can be found on [Pull Request #11604](https://github.com/vitessio/vitess/pull/11604).
 
 ### <a id="inc-backup"/>Incremental backup and point in time recovery
 
@@ -463,7 +464,7 @@ part of this refactor. They were used previously for Orchestrator support, which
 ------------
 The entire changelog for this release can be found [here](https://github.com/vitessio/vitess/blob/main/doc/releasenotes/16_0_0_changelog.md).
 
-The release includes 365 commits (excluding merges)
+The release includes 373 commits (excluding merges)
 
 Thanks to all our contributors: @EmadMokhtar, @GuptaManan100, @Weijun-H, @WilliamLu99, @ajm188, @arthurschreiber, @arvind-murty, @brendar, @brirams, @dbussink, @deepthi, @dependabot[bot], @draftcode, @ejortegau, @frouioui, @harshit-gangal, @jjh-kim, @johanoskarsson, @kbslvsk, @mattlord, @maxenglander, @mdlayher, @notfelineit, @pbibra, @pudiva, @rohit-nayak-ps, @rsajwani, @shlomi-noach, @systay, @timvaillancourt, @vitess-bot[bot], @vmg, @yoheimuta