chore: add v0.44.2 release content to the main (#919)

* fix: tmclient update header validation for v0.44.x (#917)

* test for tmclient update with different validator sets

* fix doc lints

* rm incorrect check

* add changelog entry

* chore: prep v0.44.2 release (#918)

---------

Co-authored-by: Rano | Ranadeep <[email protected]>

Author: Farhad-Shabani

.changelog/v0.44.2/bug-fixes/911-fix-header-validation-during-tmclient-update.md

@@ -0,0 +1,2 @@
+- Remove an incorrect validation during tendermint client update
+  ([\#911](https://github.com/cosmos/ibc-rs/issues/911))

.changelog/v0.44.2/summary.md

@@ -0,0 +1,4 @@
+This release is a critical patch release that introduces a vital fix by removing
+an incorrect validation during a Tendermint client update.
+
+There are no consensus-breaking changes.

CHANGELOG.md

@@ -92,6 +92,15 @@ There are no consensus-breaking changes.
 - Remove unused code snippets and move serializer roundtrip test to `serializers.rs`
   ([#869](https://github.com/cosmos/ibc-rs/issues/869))
 
+## v0.44.2
+
+*October 12, 2023*
+
+This release is a critical patch release that introduces a vital fix by removing
+an incorrect validation during a Tendermint client update.
+
+There are no consensus-breaking changes.
+
 ## v0.44.1
 
 *August 4, 2023*