use regular markdown url for issue ref

Author: rickeylev

CHANGELOG.md

@@ -107,7 +107,8 @@ END_UNRELEASED_TEMPLATE
 * (toolchains) use "command -v" to find interpreter in `$PATH`
   ([#3150](https://github.com/bazel-contrib/rules_python/pull/3150)).
 * (pypi) `bazel vendor` now works in `bzlmod` ({gh-issue}`3079`).
-* (core) builds work again on `7.x` `WORKSPACE` configurations ({gh-issue}`3119`).
+* (core) builds work again on `7.x` `WORKSPACE` configurations
+  ([#3119](https://github.com/bazel-contrib/rules_python/issues/3119)).
 
 {#v0-0-0-added}
 ### Added