Increase binary stub version for 1.7.0

 New stub version forces reindex & reimport for JPS-based projects,
making their compiler plugin libs consisten with the bundled JPS
compiler

 ^KTIJ-21982

compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt

diff --git a/compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt b/compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt
index 681d131..a899741 100644
--- a/compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt
+++ b/compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt
@@ -28,7 +28,7 @@
     // Binary stub version should be increased if stub format (org.jetbrains.kotlin.psi.stubs.impl) is changed
     //      or changes are made to the core stub building code (org.jetbrains.kotlin.idea.decompiler.stubBuilder).
     // Increasing this version will lead to reindexing of all binary files that are potentially kotlin binaries (including all class files).
-    private const val BINARY_STUB_VERSION = 79
+    private const val BINARY_STUB_VERSION = 80
 
     // Classfile stub version should be increased if changes are made to classfile stub building subsystem (org.jetbrains.kotlin.idea.decompiler.classFile)
     // Increasing this version will lead to reindexing of all classfiles.