fix: revert rules_python to support older bazel version

Author: TendTo

examples/MODULE.bazel

@@ -9,7 +9,7 @@ local_path_override(
 bazel_dep(name = "rules_cc", version = "0.2.8")
 bazel_dep(name = "aspect_bazel_lib", version = "2.21.2")
 bazel_dep(name = "bazel_skylib", version = "1.8.2")
-bazel_dep(name = "rules_python", version = "1.6.3")
+bazel_dep(name = "rules_python", version = "1.4.0")
 bazel_dep(name = "platforms", version = "1.0.0")
 bazel_dep(name = "rules_java", version = "8.16.1")