Update Kotlin caches version due to adding LookupSymbolKeyDescriptor versioning

Since versioning of LookupSymbolKeyDescriptor was added in 1.5.30: f6b428f2 "KT-34862 use abi snapshot instead of build history files", it is necessary to update version of caches for JPS, as new caches are not compatible with previous.

Cherry-picked from kt-212-1.6.0

#KT-48399 Fixed
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
index fcf1bd3..2cbfa64 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
@@ -7,7 +7,7 @@
 
 import java.nio.file.Path
 
-private const val NORMAL_VERSION = 14
+private const val NORMAL_VERSION = 15
 private const val NORMAL_VERSION_FILE_NAME = "format-version.txt"
 
 fun localCacheVersionManager(dataRoot: Path, isCachesEnabled: Boolean) = CacheVersionManager(
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
index 3d688e5..040770f 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
@@ -8,7 +8,7 @@
 import java.nio.file.Path
 
 private const val DATA_CONTAINER_VERSION_FILE_NAME = "data-container-format-version.txt"
-private const val DATA_CONTAINER_VERSION = 5
+private const val DATA_CONTAINER_VERSION = 6
 
 fun lookupsCacheVersionManager(dataRoot: Path, isEnabled: Boolean) = CacheVersionManager(
     dataRoot.resolve(DATA_CONTAINER_VERSION_FILE_NAME),