build(deps): bump pygments from 2.13.0 to 2.15.0

Bumps [pygments](https://github.com/pygments/pygments) from 2.13.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.13.0...2.15.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -62,7 +62,7 @@ pyasn1-modules==0.2.8
 pycparser==2.20
 pyflakes==3.0.0
 PyGithub==1.56
-Pygments==2.13.0
+Pygments==2.15.0
 PyJWT==2.6.0
 PyMySQL==0.10.1
 PyNaCl==1.5.0