docs: add changelog for callbacks and 08-wasm

modules/apps/callbacks/CHANGELOG.md

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+# Changelog
+
+## [Unreleased]
+
+### Dependencies
+
+### API Breaking
+
+### State Machine Breaking
+
+### Improvements
+
+### Features
+
+### Bug Fixes
+
+<!-- markdown-link-check-disable-next-line -->
+## [v0.2.0+ibc-go-v8.0](https://github.com/cosmos/ibc-go/releases/tag/modules%2Fapps%2Fcallbacks%2Fv0.2.0%2Bibc-go-v8.0) - 2023-11-15
+
+### Bug Fixes
+
+* [\#4568](https://github.com/cosmos/ibc-go/pull/4568) Include error in event that is emitted when the callback cannot be executed due to a panic or an out of gas error. Packet is is only sent if the `IBCSendPacketCallback` returns nil explicitly.
+
+<!-- markdown-link-check-disable-next-line -->
+## [v0.1.0+ibc-go-v7.3](https://github.com/cosmos/ibc-go/releases/tag/modules%2Fapps%2Fcallbacks%2Fv0.1.0%2Bibc-go-v7.3) - 2023-08-31
+
+### Features
+
+* [\#3939](https://github.com/cosmos/ibc-go/pull/3939) feat(callbacks): adr8 implementation.

modules/light-clients/08-wasm/CHANGELOG.md

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+<!--
+Guiding Principles:
+
+Changelogs are for humans, not machines.
+There should be an entry for every single version.
+The same types of changes should be grouped.
+Versions and sections should be linkable.
+The latest version comes first.
+The release date of each version is displayed.
+Mention whether you follow Semantic Versioning.
+
+Usage:
+
+Change log entries are to be added to the Unreleased section under the
+appropriate stanza (see below). Each entry should ideally include a tag and
+the Github issue reference in the following format:
+
+* (<tag>) \#<issue-number> message
+
+The issue numbers will later be link-ified during the release process so you do
+not have to worry about including a link manually, but you can if you wish.
+
+Types of changes (Stanzas):
+
+"Features" for new features.
+"Improvements" for changes in existing functionality.
+"Deprecated" for soon-to-be removed features.
+"Bug Fixes" for any bug fixes.
+"Client Breaking" for breaking CLI commands and REST routes used by end-users.
+"API Breaking" for breaking exported APIs used by developers building on SDK.
+"State Machine Breaking" for any changes that result in a different AppState given the same genesisState and txList.
+Ref: https://keepachangelog.com/en/1.0.0/
+-->
+
+# Changelog
+
+## [Unreleased]
+
+### Dependencies
+
+### API Breaking
+
+### State Machine Breaking
+
+### Improvements
+
+### Features
+
+* [#\5821](https://github.com/cosmos/ibc-go/pull/5821) feat: add `VerifyMembershipProof` rpc query (querier approach for conditional clients).
+
+### Bug Fixes
+
+<!-- markdown-link-check-disable-next-line -->
+## [v0.1.0+ibc-go-v8.0-wasmvm-v1.5](https://github.com/cosmos/ibc-go/releases/tag/modules%2Flight-clients%2F08-wasm%2Fv0.1.0%2Bibc-go-v7.3-wasmvm-v1.5) - 2023-12-18
+
+### Features
+
+* [\#5079](https://github.com/cosmos/ibc-go/pull/5079) feat: 08-wasm light client proxy module for wasm clients.
+
+<!-- markdown-link-check-disable-next-line -->
+## [v0.1.0+ibc-go-v7.3-wasmvm-v1.5](https://github.com/cosmos/ibc-go/releases/tag/modules%2Flight-clients%2F08-wasm%2Fv0.1.0%2Bibc-go-v8.0-wasmvm-v1.5) - 2023-12-18
+
+### Features
+
+* [\#5079](https://github.com/cosmos/ibc-go/pull/5079) feat: 08-wasm light client proxy module for wasm clients.