chore(deps): bump pygments from 2.14.0 to 2.15.0 in /docs/_build

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](https://github.com/pygments/pygments/compare/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>

docs/_build/requirements.txt

@@ -11,7 +11,7 @@ mkdocs-exclude==1.0.2
 mkdocs-material==9.1.4
 mkdocs-material-extensions==1.1.1
 packaging==23.0
-Pygments==2.14.0
+Pygments==2.15.0
 pymdown-extensions==9.11
 pyparsing==3.0.9
 python-dateutil==2.8.2