Revert "Bump pygments from 2.19.2 to 2.20.0 (#1004)" (#1008)

This reverts commit 696a3e3.

Author: marionbarker

requirements.txt

@@ -104,7 +104,7 @@ playwright==1.58.0
     # via mkdocs-exporter
 pyee==13.0.0
     # via playwright
-pygments==2.20.0
+pygments==2.19.2
     # via mkdocs-material
 pymdown-extensions==10.20.1
     # via mkdocs-material