chore(deps): bump pygments from 2.17.2 to 2.20.0 in /docs (#6024)

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](https://github.com/pygments/pygments/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/requirements.txt

diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8072158..c19fbf2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -41,7 +41,7 @@
     # via -r requirements.in
 packaging==24.0
     # via sphinx
-pygments==2.17.2
+pygments==2.20.0
     # via
     #   furo
     #   sphinx