Bump pygments from 2.14.0 to 2.15.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.14.0...2.15.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -231,7 +231,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "PyYAML==6.0",
-    "Pygments==2.14.0",
+    "Pygments==2.15.0",
     "Sphinx-Substitution-Extensions==2022.2.16",
     "Sphinx==6.1.3",
     "VWS-Python-Mock==2023.3.26",