fix: avoid constant name collision

Author: TendTo

extensions.bzl

@@ -281,19 +281,19 @@ def _doxygen_extension_impl(ctx):
             executables = executables,
         )
 
-_doxygen_configuration = tag_class(attrs = {
+_doxygen_configuration_tag = tag_class(attrs = {
     "version": attr.string(doc = "The version of doxygen to use. If set to `0.0.0`, the doxygen executable will be assumed to be available from the PATH. Mutually exclusive with `executable`."),
     "sha256": attr.string(doc = "The sha256 hash of the doxygen archive. If not specified, an all-zero hash will be used."),
     "platform": attr.string(doc = "The target platform for the doxygen binary. Available options are (windows, mac, mac-arm, linux, linux-arm). If not specified, it will select the platform it is currently running on."),
     "executable": attr.label(doc = "The doxygen executable to use. If set, no download will take place and the provided doxygen executable will be used. Mutually exclusive with `version`."),
 })
-_doxygen_repository = tag_class(attrs = {
+_doxygen_repository_tag = tag_class(attrs = {
     "name": attr.string(doc = "The name of the repository the extension will create. Useful if you don't use 'rules_doxygen' as a dev_dependency, since it will avoid name collision for module depending on yours. Must be the same for all configurations. Defaults to 'doxygen'.", mandatory = True),
 })
 
 doxygen_extension = module_extension(
     implementation = _doxygen_extension_impl,
-    tag_classes = {"configuration": _doxygen_configuration, "repository": _doxygen_repository},
+    tag_classes = {"configuration": _doxygen_configuration_tag, "repository": _doxygen_repository_tag},
     doc = """
 Module extension for declaring the doxygen configurations to use.