AUTOMATION: Version Bump

Author: github-actions[bot]

buildSrc/src/main/kotlin/io/getstream/chat/android/Configuration.kt

@@ -6,7 +6,7 @@ object Configuration {
     const val sampleTargetSdk = 35
     const val minSdk = 21
     const val majorVersion = 6
-    const val minorVersion = 20
+    const val minorVersion = 21
     const val patchVersion = 0
     const val versionName = "$majorVersion.$minorVersion.$patchVersion"
     const val snapshotVersionName = "$majorVersion.$minorVersion.${patchVersion + 1}-SNAPSHOT"