Bump Kotlin to 1.7.0-RC (#2508)

* `UnresolvedType` is replaced with `ErrorType` in https://github.com/JetBrains/kotlin/commit/b5933c70e20a0dfd788d8d4a6c04ca0d16f7c731

*  Support `sig` files in https://github.com/JetBrains/kotlin/commit/22b368849338cae684601c9b1ead31ebb1fd81cf

* `org.jetbrains.kotlin.idea.kdoc.resolveKDocSampleLink` is removed in https://github.com/JetBrains/intellij-community/commit/e4af6f96c8d4e2318d04eddf658a4c4e8c60b2e6

* `org.jetbrains.kotlin.idea.refactoring.fqName.getKotlinFqName` is deprecated

* `org.codehaus.plexus.archiver.AbstractArchiver.addDirectory` is deprecated https://codehaus-plexus.github.io/plexus-archiver/apidocs/org/codehaus/plexus/archiver/Archiver.html#addDirectory-java.io.File-java.lang.String:A-java.lang.String:A-

* Make `clean` independent from `setupMaven`

* Set up JDK classpath roots explicitly

because of https://github.com/JetBrains/kotlin/commit/f89765eb33dd95c8de33a919cca83651b326b246

* Add JPS model and faxml dependencies

* Fix test

* Exclude compiler from buildscript in integration test

* Exclude `com.intellij` package from compiler

* Update kotlin version in integration tests

1 files changed, 2 insertions, 0 deletions

diff --git a/runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/kotlinClasspathUtils.kt b/runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/kotlinClasspathUtils.kt
index 2770153d..1d0fa4a3 100644
--- a/runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/kotlinClasspathUtils.kt
+++ b/runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/kotlinClasspathUtils.kt
@@ -25,6 +25,7 @@ internal fun Project.classpathOf(sourceSet: KotlinSourceSet): FileCollection {
 private fun Project.compileClasspathOf(compilation: KotlinCompilation): FileCollection {
     if (compilation.target.isAndroidTarget()) {
         // This is a workaround for https://youtrack.jetbrains.com/issue/KT-33893
+        @Suppress("DEPRECATION") // for compatibility
         return compilation.compileKotlinTask.cast<KotlinCompile>().classpath
     }
 
@@ -34,5 +35,6 @@ private fun Project.compileClasspathOf(compilation: KotlinCompilation): FileColl
         ?: files()
 
     return compilation.compileDependencyFiles + platformDependencyFiles +
+            @Suppress("DEPRECATION") // for compatibility
             (compilation.compileKotlinTask.run { this as? KotlinCompile }?.classpath ?: files())
 }