Run test workflow daily (#1175)

Author: bhrutledge

.github/workflows/test.yml

@@ -1,6 +1,10 @@
 name: Test
 
-on: [push, pull_request]
+on: 
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 6 * * *" # daily at 6am
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}