build(deps): bump macholib from 1.15.2 to 1.16 in /requirements

Bumps [macholib](https://github.com/ronaldoussoren/macholib) from 1.15.2 to 1.16.
- [Release notes](https://github.com/ronaldoussoren/macholib/releases)
- [Changelog](https://github.com/ronaldoussoren/macholib/blob/master/doc/changelog.rst)
- [Commits](https://github.com/ronaldoussoren/macholib/commits/v1.16)

---
updated-dependencies:
- dependency-name: macholib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements/requirements-ci.txt

@@ -362,7 +362,7 @@ lru-dict==1.1.6
     # via
     #   -r requirements-dev.txt
     #   web3
-macholib==1.15.2
+macholib==1.16
     # via -r requirements-ci.in
 markupsafe==2.0.1
     # via