chore(deps): Bump kotlin_version from 1.4.32 to 1.5.0

Bumps `kotlin_version` from 1.4.32 to 1.5.0.

Updates `kotlin-gradle-plugin` from 1.4.32 to 1.5.0

Updates `kotlin-stdlib-jdk8` from 1.4.32 to 1.5.0
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/commits)

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

build.gradle

@@ -28,7 +28,7 @@ buildscript {
     ext.maoni_group = 'org.rm3l'
     ext.maoni_version = '9.1.0'
 
-    ext.kotlin_version = '1.4.32'
+    ext.kotlin_version = '1.5.0'
     ext.anko_version = '0.10.8'
 
     ext.aboutlibraries_version = '8.8.5'