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

3 files changed, 5 insertions, 3 deletions

diff --git a/integration-tests/gradle/projects/it-basic/build.gradle.kts b/integration-tests/gradle/projects/it-basic/build.gradle.kts
index b2a84e5f..3f7dd32b 100644
--- a/integration-tests/gradle/projects/it-basic/build.gradle.kts
+++ b/integration-tests/gradle/projects/it-basic/build.gradle.kts
@@ -12,7 +12,9 @@ plugins {
 
 buildscript {
     dependencies {
-        classpath("org.jetbrains.dokka:dokka-base:${System.getenv("DOKKA_VERSION")}")
+        classpath("org.jetbrains.dokka:dokka-base:${System.getenv("DOKKA_VERSION")}") {
+            exclude(group = "org.jetbrains.dokka", module = "dokka-analysis") // Gradle has embeddable Kotlin compiler
+        }
     }
 }
 
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/JsIRGradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/JsIRGradleIntegrationTest.kt
index ef9d67cc..cef9fd8b 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/JsIRGradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/JsIRGradleIntegrationTest.kt
@@ -18,7 +18,7 @@ class JsIRGradleIntegrationTest(override val versions: BuildVersions) : Abstract
         // some core react classes were moved from `react-router-dom` to `react` artifacts.
         // Writing an integration test project that would work for both 1.4.0 and 1.5.0 would involve
         // ugly solutions, so these versions are ignored. Not a big loss given they are deprecated as of this moment.
-        "1.4.0", "1.4.32"
+        "1.4.0", "1.4.32", "1.7.0-RC"
     )
 
     @BeforeTest
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/TestedVersions.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/TestedVersions.kt
index b87707a4..7f2ad851 100644
--- a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/TestedVersions.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/TestedVersions.kt
@@ -5,7 +5,7 @@ internal object TestedVersions {
     val BASE =
         BuildVersions.permutations(
             gradleVersions = listOf("7.4.2", "6.9"),
-            kotlinVersions = listOf("1.6.21", "1.5.31", "1.4.32"),
+            kotlinVersions = listOf("1.7.0-RC", "1.6.21", "1.5.31", "1.4.32"),
         ) + BuildVersions.permutations(
             gradleVersions = listOf(*ifExhaustive("7.0", "6.1.1")),
             kotlinVersions = listOf(*ifExhaustive("1.6.0", "1.5.0", "1.4.0"))