Updated files with 'repo_helper'. (#2)

Co-authored-by: repo-helper[bot] <74742576+repo-helper[bot]@users.noreply.github.com>

Author: repo-helper[bot]

.github/workflows/cleanup.yml

@@ -0,0 +1,14 @@
+# This file is managed by 'repo_helper'. Don't edit it directly.
+---
+name: Artefact Cleaner
+on:
+  schedule:
+    cron: 0 9 1 * *
+jobs:
+  Clean:
+    runs-on: ubuntu-latest
+    steps:
+    - name: cleanup
+      uses: glassechidna/artifact-cleaner@v2
+      with:
+        minimumAge: 1000000.0

tox.ini

@@ -44,9 +44,7 @@ commands =
     python -m pytest --cov=sphinx_autofixture -r aR tests/ {posargs}
 
 [testenv:docs]
-setenv =
-    SHOW_TODOS = 1
-    PIP_USE_FEATURE = 2020-resolver
+setenv = SHOW_TODOS = 1
 basepython = python3.8
 changedir = {toxinidir}/doc-source
 deps =