Bump compatibility_level to 1 (#1631)

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index f097de8..dc3bcc9 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,6 +1,7 @@
 module(
     name = "rules_kotlin",
     version = "2.2.0",
+    compatibility_level = 1,
     repo_name = "rules_kotlin",
 )
 

MODULE.release.bazel

diff --git a/MODULE.release.bazel b/MODULE.release.bazel
index ace6381..4b848b2 100644
--- a/MODULE.release.bazel
+++ b/MODULE.release.bazel
@@ -1,6 +1,7 @@
 module(
     name = "rules_kotlin",
     version = "1.9.0",
+    compatibility_level = 1,
     repo_name = "rules_kotlin",
 )