Build: Extract compiler version to separate module to improve caching

Compiler version changes every build and makes impossible to reuse
caches for heavy tasks such as compiler proguard. We may fix that by
adding version module directly to the final jar.

compiler/util/build.gradle.kts

@@ -5,8 +5,10 @@ plugins {
 }
 
 dependencies {
-    compile(kotlinStdlib())
-    compile(project(":core:deserialization"))
+    api(kotlinStdlib())
+    api(project(":compiler:compiler.version"))
+    api(project(":core:deserialization"))
+
     compileOnly(project(":kotlin-reflect-api"))
     compileOnly(intellijCoreDep()) { includeJars("intellij-core") }
     compileOnly(intellijDep()) { includeIntellijCoreJarDependencies(project) }