[MRG] run actions regularly (#250)

* run actions regularly

* whups

.github/workflows/test.yml → .github/workflows/run_tests.yml

@@ -1,6 +1,11 @@
-name: Test
+name: Run tests
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [latest]
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *" # daily
 
 jobs:
   test:
@@ -13,9 +18,6 @@ jobs:
 
     name: Python on ${{ matrix.python }}
 
-    # We want to run on external PRs, but not on our own internal PRs as they'll be run by the push to the branch.
-    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
-
     steps:
       - uses: actions/checkout@v3