Add scheduled test at the first day of every month

Author: latchdevel

.github/workflows/BuildTest.yml

@@ -20,6 +20,10 @@ on:
     paths:
       - 'src/**'
 
+  # Scheduled the first day of every month at 00:00h UTC
+  schedule:
+    - cron:  '0 0 1 * *'
+
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
@@ -98,4 +102,3 @@ jobs:
           path: |
                 ${{ env.BIN_DIR }}/${{ env.TARGET_TEST }}
                 ${{ env.BIN_DIR }}/${{ env.TARGET_TEST }}.exe
-