Make `stardoc` a dev dependency of `rules_java`

Context: https://github.com/bazelbuild/bazel/pull/23738#issuecomment-2382700919
PiperOrigin-RevId: 680499660
Change-Id: If2f44149382e7205c47a684eb1cb1abadff5a918

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index 0902c3a..b101761 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -9,7 +9,6 @@
 bazel_dep(name = "rules_cc", version = "0.0.10")
 bazel_dep(name = "bazel_features", version = "1.11.0")
 bazel_dep(name = "bazel_skylib", version = "1.6.1")
-bazel_dep(name = "stardoc", version = "0.7.1")
 
 # Required by @remote_java_tools, which is loaded via module extension.
 bazel_dep(name = "rules_proto", version = "6.0.2")
@@ -92,6 +91,7 @@
 
 # Dev dependencies
 bazel_dep(name = "rules_pkg", version = "0.9.1", dev_dependency = True)
+bazel_dep(name = "stardoc", version = "0.7.1", dev_dependency = True)
 
 # Override rules_python version to deal with #161 and https://github.com/bazelbuild/bazel/issues/20458
 single_version_override(