Merge pull request #121118 from Emantor/fix/b4

b4: loosen versions for request and dnspython

pkgs/development/tools/b4/default.nix

···
 
   preConfigure = ''
     substituteInPlace setup.py \
-      --replace 'requests~=2.24' 'requests~=2.25'
+      --replace 'requests~=2.24.0' 'requests~=2.25' \
+      --replace 'dnspython~=2.0.0' 'dnspython~=2.1'
   '';
 
   # tests make dns requests and fails