Update and rename build.yml to watch.yml

Author: simnalamburt

.github/workflows/build.yml .github/workflows/watch.yml

@@ -3,7 +3,7 @@ name: Release watchtower
 on:
   push:
   schedule:
-    - cron: '0 */1 * * *'
+    - cron: '0 */3 * * *'
 
 jobs:
   check: