Prepare release 1.2.8

Author: tschuchortdev

README.md

@@ -97,7 +97,7 @@ Add dependency to your module's `build.gradle` file:
 ```Groovy
 dependencies {
         // ...
-	implementation 'com.github.tschuchortdev:kotlin-compile-testing:1.2.7'
+	implementation 'com.github.tschuchortdev:kotlin-compile-testing:1.2.8'
 }
 ```
 

gradle.properties

@@ -2,7 +2,7 @@ kotlin.code.style=official
 kotlin.incremental=false
 
 GROUP=com.github.tschuchortdev
-VERSION_NAME=1.2.7
+VERSION_NAME=1.2.8
 POM_DESCRIPTION=A library that enables testing of Kotlin annotation processors, compiler plugins and code generation.
 POM_INCEPTION_YEAR=2019
 POM_URL=https://github.com/tschuchortdev/kotlin-compile-testing