Update all non-major dependencies

Author: renovate-bot

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.6.10"
+kotlin = "1.6.20"
 
 [libraries]
 kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib-jdk8", version.ref = "kotlin" }
@@ -10,4 +10,4 @@ gradleGitProperties = { id = "com.gorylenko.gradle-git-properties", version = "2
 kotlin = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 springKotlin = { id = "org.jetbrains.kotlin.plugin.spring", version.ref = "kotlin"}
 springBoot = { id = "org.springframework.boot", version = "2.6.6" }
-spotless = { id = "com.diffplug.spotless", version = "6.4.1" }
+spotless = { id = "com.diffplug.spotless", version = "6.4.2" }