Add changelog entry; bump gossipsub version to 0.46.0

Author: StemCll

protocols/gossipsub/CHANGELOG.md

@@ -1,8 +1,11 @@
-## 0.45.1 - unreleased
+## 0.46.0 - unreleased
 
 - Add getter function to obtain `TopicScoreParams`.
   See [PR 4231].
+- Remove `fast_message_id_fn` mechanism from `Config`.
+  See [PR 4285].
 
+[PR 4285]: https://github.com/libp2p/rust-libp2p/pull/4285
 [PR 4231]: https://github.com/libp2p/rust-libp2p/pull/4231
 
 ## 0.45.0

protocols/gossipsub/Cargo.toml

@@ -3,7 +3,7 @@ name = "libp2p-gossipsub"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Gossipsub protocol for libp2p"
-version = "0.45.1"
+version = "0.46.0"
 authors = ["Age Manning <[email protected]>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"