Merge pull request #649 from GitLiveApp/dependabot/gradle/kotlin-2.0.21

Bump kotlin from 2.0.20 to 2.0.21

Author: nbransby

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ firebase-bom = "33.2.0"
 gitlive-firebase-java-sdk = "0.4.6"
 gson = "2.11.0"
 junit = "4.13.2"
-kotlin = "2.0.20"
+kotlin = "2.0.21"
 kotlinx-coroutines = "1.9.0-RC.2"
 kotlinx-serialization = "1.7.2"
 kotlinx-binarycompatibilityvalidator = "0.16.3"