Bump lupa to the latest version

bmerry · bmerry · commit 83da3b691b60 · 2021-10-26T09:03:43.000+02:00
Hopefully it will compile with Python 3.10.
diff --git a/requirements.txt b/requirements.txt
@@ -24,7 +24,7 @@ hypothesis==5.41.4
     # via -r requirements.in
 iniconfig==1.1.1
     # via pytest
-lupa==1.9
+lupa==1.10
     # via -r requirements.in
 mccabe==0.6.1
     # via flake8
