[upd] pypi: Bump wlc from 1.14 to 1.15

Bumps [wlc](https://github.com/WeblateOrg/wlc) from 1.14 to 1.15.
- [Changelog](https://github.com/WeblateOrg/wlc/blob/main/CHANGES.rst)
- [Commits](https://github.com/WeblateOrg/wlc/compare/1.14...1.15)

---
updated-dependencies:
- dependency-name: wlc
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -18,7 +18,7 @@ myst-parser==3.0.1
 linuxdoc==20240509
 aiounittest==1.4.2
 yamllint==1.35.1
-wlc==1.14
+wlc==1.15
 coloredlogs==15.0.1
 docutils<=0.21; python_version == '3.8'
 docutils>=0.21.2; python_version > '3.8'