Write cache version only if incremental compilation is enabled

jps-plugin/testData/incremental/lazyKotlinCaches/class/expected-kotlin-caches.txt

@@ -1,4 +1,6 @@
 Module 'module' production
+    format-version.txt
     proto.tab
     source-to-classes.tab
 Module 'module' tests
+    format-version.txt

jps-plugin/testData/incremental/lazyKotlinCaches/function/expected-kotlin-caches.txt

@@ -1,5 +1,7 @@
 Module 'module' production
+    format-version.txt
     package-parts.tab
     proto.tab
     source-to-classes.tab
 Module 'module' tests
+    format-version.txt

jps-plugin/testData/incremental/lazyKotlinCaches/inlineFunctionDeclared/expected-kotlin-caches.txt

@@ -1,6 +1,8 @@
 Module 'module' production
+    format-version.txt
     inline-functions.tab
     package-parts.tab
     proto.tab
     source-to-classes.tab
 Module 'module' tests
+    format-version.txt

jps-plugin/testData/incremental/lazyKotlinCaches/inlineFunctionInlined/expected-kotlin-caches.txt

@@ -1,7 +1,9 @@
 Module 'module' production
+    format-version.txt
     inline-functions.tab
     inlined-to.tab
     package-parts.tab
     proto.tab
     source-to-classes.tab
 Module 'module' tests
+    format-version.txt