Update Kotlin

Author: tschuchortdev

README.md

@@ -96,7 +96,7 @@ Add dependency to your module's `build.gradle` file:
 ```Groovy
 dependencies {
         // ...
-	implementation 'com.github.tschuchortdev:kotlin-compile-testing:1.3.1'
+	implementation 'com.github.tschuchortdev:kotlin-compile-testing:1.3.2'
 }
 ```
 
@@ -108,7 +108,7 @@ Kotlin-Compile-Testing is compatible with all _local_ compiler versions. It does
 
 However, if your project or any of its dependencies depend directly on compiler artifacts such as `kotlin-compiler-embeddable` or `kotlin-annotation-processing-embeddable` then they have to be the same version as the one used by Kotlin-Compile-Testing or there will be a transitive dependency conflict.
 
-- Current `kotlin-compiler-embeddable` version: `1.4.10`
+- Current `kotlin-compiler-embeddable` version: `1.4.21`
 
 Because the internal APIs of the Kotlin compiler often change between versions, we can only support one `kotlin-compiler-embeddable` version at a time. 
 
@@ -120,7 +120,7 @@ To test KSP processors, you need to use the KSP dependency:
 
 ```Groovy
 dependencies {
-    implementation 'com.github.tschuchortdev:kotlin-compile-testing-ksp:1.3.1'
+    implementation 'com.github.tschuchortdev:kotlin-compile-testing-ksp:1.3.2'
 }
 ```
 

build.gradle

@@ -29,8 +29,6 @@ allprojects {
     group 'com.github.tschuchortdev'
 
     buildscript {
-        ext.kotlin_version = '1.4.10'
-
         repositories {
             mavenCentral()
             jcenter()