Goodbye Travis, welcome GH Actions

... it was nice while it lasted.

Author: helje5

.github/workflows/swift.yml

@@ -4,7 +4,7 @@ on:
   push:
   pull_request:
   schedule:
-    - cron: "55 9 * * 1"
+    - cron: "38 9 * * 1"
 
 jobs:
   linux: