[FIAMD] Add changelog entry about version bump (#7489)

The glide dependency has been updated in `libs.versions.toml` to 5.0.5
and the only library using it is FIAMD. We need to mention the change
in the changelog.

Author: rlazo

firebase-inappmessaging-display/CHANGELOG.md

@@ -1,5 +1,7 @@
 # Unreleased
 
+- [changed] Updated `com.github.bumptech.glide:glide` dependency to `5.0.5`. [#7469]
+
 # 22.0.1
 
 - [changed] Bumped internal dependencies.