Bump pygments from 2.17.2 to 2.20.0 in /requirements

Bumps [pygments](https://github.com/pygments/pygments) from 2.17.2 to 2.20.0.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.17.2...2.20.0)

---
updated-dependencies:
- dependency-name: pygments
  dependency-version: 2.20.0
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -154,7 +154,7 @@ pycparser==2.21
     # via
     #   -r requirements.txt
     #   cffi
-pygments==2.17.2
+pygments==2.20.0
     # via
     #   ipython
     #   ipython-pygments-lexers

requirements/functests.txt

@@ -134,7 +134,7 @@ pycparser==2.21
     # via
     #   -r requirements.txt
     #   cffi
-pygments==2.19.2
+pygments==2.20.0
     # via pytest
 pyopenssl==26.0.0
     # via