Move tomli to setup_requires

jagerman · jagerman · commit 16779c1a2e08 · 2022-12-15T11:52:01.000-04:00
It is only required for building, not for using, and breaks the package
on bullseye and earlier (where it isn't available).
diff --git a/setup.cfg b/setup.cfg
@@ -21,5 +21,6 @@ install_requires=
     oxenmq
     oxenc
     pyonionreq
-    tomli
     sqlalchemy
+setup_requires=
+    tomli
