Use archive version instead of VCS.

Author: ZeroIntensity

Doc/requirements.txt

@@ -11,7 +11,7 @@ sphinx<9.0.0
 
 # Temporary direct requirement, pending release of Pygments > 2.20.0
 # https://github.com/pygments/pygments/discussions/3145
-pygments @ git+https://github.com/pygments/pygments@2cad2642058441b59782a6a18f03c98c42d081f1
+pygments @ https://github.com/pygments/pygments/archive/2cad2642058441b59782a6a18f03c98c42d081f1.tar.gz
 
 blurb