Bump org.jetbrains.changelog from 2.1.2 to 2.2.0

Bumps org.jetbrains.changelog from 2.1.2 to 2.2.0.

---
updated-dependencies:
- dependency-name: org.jetbrains.changelog
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ retrofit = "2.9.0"
 # plugins
 dokka = "1.8.20"
 gradlePluginPublish = "1.2.1"
-gradleChangelogPlugin = "2.1.2"
+gradleChangelogPlugin = "2.2.0"
 
 [libraries]
 annotations = { group = "org.jetbrains", name = "annotations", version.ref = "annotations" }