chore: bump ics23 to v0.9.0 (backport #2868) (#2878)

* deps: Bump ICS 23 to v0.9.0

* chore: bump ics23 to v0.9.0

* chore: add changelog entry

Co-authored-by: Carlos Rodriguez <[email protected]>
(cherry picked from commit 2132585)

# Conflicts:
#	CHANGELOG.md
#	e2e/go.mod
#	e2e/go.sum
#	go.mod
#	go.sum

* fix conflicts + delete e2e folder

* remove link to ics 009 (deleted from spec repo)

Co-authored-by: colin axnér <[email protected]>
Co-authored-by: Carlos Rodriguez <[email protected]>

CHANGELOG.md

@@ -38,7 +38,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Dependencies
 
-* [\#2807](https://github.com/cosmos/ibc-go/pull/2807) Bump Cosmos SDK to v0.46.6 and Tendermint to v0.34.23.
+* [\#2868](https://github.com/cosmos/ibc-go/pull/2868) Bump ICS 23 to v0.9.0. 
+* [\#2784](https://github.com/cosmos/ibc-go/pull/2784) Bump Cosmos SDK to v0.46.6 and Tendermint to v0.34.23.
 
 ### API Breaking
 

docs/ibc/integration.md

@@ -176,10 +176,7 @@ past historical info at any given height in order to verify the light client `Co
 connection handhake.
 
 The IBC module also has
-[`BeginBlock`](https://github.com/cosmos/ibc-go/blob/main/modules/core/02-client/abci.go) logic as
-well. This is optional as it is only required if your application uses the [localhost
-client](https://github.com/cosmos/ibc/blob/master/spec/client/ics-009-loopback-client) to connect two
-different modules from the same chain.
+[`BeginBlock`](https://github.com/cosmos/ibc-go/blob/main/modules/core/02-client/abci.go) logic as well. This is optional as it is only required if your application uses the localhost client to connect two different modules from the same chain.
 
 ::: tip
 Only register the ibc module to the `SetOrderBeginBlockers` if your application will use the