Bump com.diffplug.spotless from 6.21.0 to 6.22.0 in /lib/kotlin (#2859)

Bumps com.diffplug.spotless from 6.21.0 to 6.22.0.

---
updated-dependencies:
- dependency-name: com.diffplug.spotless
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/lib/java/build.gradle b/lib/java/build.gradle
index f5c3d66..f0252ce 100644
--- a/lib/java/build.gradle
+++ b/lib/java/build.gradle
@@ -42,7 +42,7 @@
     id 'pmd'
     id 'com.github.johnrengelman.shadow' version '8.1.1'
     id "com.github.spotbugs" version "5.1.3"
-    id "com.diffplug.spotless" version "6.21.0"
+    id "com.diffplug.spotless" version "6.22.0"
 }
 
 description = 'Apache Thrift Java Library'