Update version to 6.2.1 in MODULE.bazel

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index ebf3c8c..e811e9f 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,6 +1,6 @@
 module(
     name = "rules_java",
-    version = "6.1.1",
+    version = "6.2.1",
     compatibility_level = 1,
 )