Finalise artefact cleaner workflow.

Author: domdfcoding

repo_helper/files/bots.py

@@ -259,7 +259,7 @@ def make_artefact_cleaner(repo_path: pathlib.Path, templates: jinja2.Environment
 
 	config: MutableMapping[str, Any] = {
 			"name": "Artefact Cleaner",
-			"on": {"schedule": {"cron": "0 9 1 * *"}},  # 9 AM on the first of every month.
+			"on": {"schedule": [{"cron": "0 9 1 * *"}]},  # 9 AM on the 1st of every month.
 			"jobs": {"Clean": {"runs-on": "ubuntu-latest", "steps": steps}}
 			}
 

tests/test_core_/test_via_Repo_class.yml

@@ -8,6 +8,7 @@
 - .github/stale.yml
 - .github/workflow/assign.yml
 - .github/workflows/assign.yml
+- .github/workflows/cleanup.yml
 - .github/workflows/docs_test_action.yml
 - .github/workflows/manylinux_build.yml
 - .github/workflows/octocheese.yml

tests/test_core_/test_via_run_repo_helper_backward_stdout.txt

@@ -3,6 +3,7 @@ The following files will be committed:
   .dependabot\config.yml
   .github\ISSUE_TEMPLATE\bug_report.md
   .github\ISSUE_TEMPLATE\feature_request.md
+  .github\workflows\cleanup.yml
   .github\workflows\docs_test_action.yml
   .github\workflows\octocheese.yml
   .github\workflows\python_ci.yml

tests/test_core_/test_via_run_repo_helper_forward_stdout.txt

@@ -3,6 +3,7 @@ The following files will be committed:
   .dependabot/config.yml
   .github/ISSUE_TEMPLATE/bug_report.md
   .github/ISSUE_TEMPLATE/feature_request.md
+  .github/workflows/cleanup.yml
   .github/workflows/docs_test_action.yml
   .github/workflows/octocheese.yml
   .github/workflows/python_ci.yml

tests/test_files/test_bots_/test_artefact_cleaner.yml

@@ -3,7 +3,7 @@
 name: Artefact Cleaner
 on:
   schedule:
-    cron: 0 9 1 * *
+  - cron: 0 9 1 * *
 jobs:
   Clean:
     runs-on: ubuntu-latest