add deps changes to changelog

Author: rickeylev

CHANGELOG.md

@@ -70,6 +70,9 @@ Unreleased changes template.
   bzlmod extension.
 * (bzlmod) `pip.parse.parse_all_requirements_files` attribute has been removed.
   See notes in the previous versions about what to do.
+* (deps) rules_cc 0.0.16
+* (deps) bazel_skylib 1.7.0 (workspace; bzlmod already specifying that version)
+* (deps) protobuf 29.0-rc2 (workspace; bzlmod already specifying that version)
 
 Other changes:
 * (python_repository) Start honoring the `strip_prefix` field for `zstd` archives.