add wheel to dev-requirements

dantownsend · dantownsend · commit 982c6d0bf2f9 · 2021-08-02T11:19:54.000+01:00
Seems like it's required for the release to work properly.
diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
@@ -4,3 +4,4 @@ isort==5.9.2
 twine==3.1.1
 mypy==0.782
 pip-upgrader==1.4.15
+wheel==0.36.2
