[BW] Allow running tests on multiple iOS/Xcode versions on any branch manually

Author: testableapple

.github/workflows/cron-checks.yml

@@ -2,8 +2,14 @@ name: Cron Checks
 
 on:
   schedule:
-    # Runs "At 03:00 every night"
-    - cron: '0 3 * * *'
+    # Runs "At 02:00 every night"
+    - cron: '0 2 * * *'
+
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 
 env:
   HOMEBREW_NO_INSTALL_CLEANUP: 1 # Disable cleanup for homebrew, we don't need it on CI