set reasonable cron times

.github/workflows/wordlist-updater_fuzzing_etc_files.yml

@@ -3,15 +3,13 @@ name: update etc files
 # Controls when the workflow will run
 on:
   schedule:
-    - cron: '*/5 * * * *' # every 5 mins
+    - cron: '30 20 1,15 * *' # run at 8:30p on 1st and 15th
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
-  build:
+  updatejob:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
     # Steps represent a sequence of tasks that will be executed as part of the job