Switch kotlin version to 1.7

* Change 1.6 to 1.7 constants
* Fix SAFE_CALL_WILL_CHANGE_NULLABILITY for testData
* Change EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_WARNING to EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_ERROR
* Change NON_EXHAUSTIVE_WHEN_STATEMENT to NO_ELSE_IN_WHEN
* Fix testData for SafeCallsAreAlwaysNullable
* Change T -> T & Any in test dumps
* Change INVALID_CHARACTERS_NATIVE_WARNING -> INVALID_CHARACTERS_NATIVE_ERROR
* TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_WARNING -> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_ERROR

compiler/testData/diagnostics/testsWithStdLib/experimental/experimentalIsNotEnabled.kt

@@ -1,7 +1,7 @@
 // FIR_IDENTICAL
 // FILE: api.kt
 
-@<!OPT_IN_IS_NOT_ENABLED!>RequiresOptIn<!>
+@RequiresOptIn
 @Retention(AnnotationRetention.BINARY)
 annotation class Marker
 
@@ -19,7 +19,7 @@ fun use2() {
     f()
 }
 
-@<!OPT_IN_IS_NOT_ENABLED!>OptIn<!>(Marker::class)
+@OptIn(Marker::class)
 fun use3() {
     f()
 }