Bump pygments from 2.10.0 to 2.15.0 (#909)

Bumps [pygments](https://github.com/pygments/pygments) from 2.10.0 to 2.15.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.10.0...2.15.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements-ci.txt

@@ -12,7 +12,7 @@ lz4==3.1.3
 xxhash==2.0.2
 python-snappy==0.6.1
 docutils==0.17.1
-Pygments==2.10.0
+Pygments==2.15.0
 gssapi==1.8.2
 async-timeout==4.0.1
 zstandard==0.16.0