Daily slack reminder workflows should only run on weekdays

Author: DonalMe

.github/workflows/fenix-beta-cut-slack.yml

@@ -2,14 +2,14 @@ name: Fenix beta cut Slack announcement
 
 on:
   schedule:
-    # Runs once a day at 12:00 UTC, which is 8am Eastern for the eight months
+    # Runs on weekdays at 12:00 UTC, which is 8am Eastern for the eight months
     # of the year Eastern is on daylight saving, and 7am for the rest: cron has
     # no time zone, so one of the two has to drift.
     #
     # Ahead of the 16:00 UTC merge on purpose: the version bump lands during
     # merge day, and after that the API's "nightly" is the next major, not the
     # one merging today.
-    - cron: '0 12 * * *'
+    - cron: '0 12 * * 1-5'
   workflow_dispatch:
     inputs:
       dry_run:

.github/workflows/release-notes-slack.yml

@@ -2,9 +2,9 @@ name: Release notes Slack reminders
 
 on:
   schedule:
-    # Runs once a day at 14:00 UTC (7am Pacific / 10am Eastern / 3pm BST)
+    # Runs on weekdays at 14:00 UTC (7am Pacific / 10am Eastern / 3pm BST)
     # Adjust time zone as needed for the team
-    - cron: '0 14 * * *'
+    - cron: '0 14 * * 1-5'
   workflow_dispatch:
     inputs:
       dry_run:

app/scripts/fenix_beta_cut_slack_notifier.py

@@ -2,7 +2,7 @@
 """
 Announces the Fenix beta cut in #mobile-android-team on desktop merge day.
 
-Run daily by .github/workflows/fenix-beta-cut-slack.yml. It reads the current
+Run each weekday by .github/workflows/fenix-beta-cut-slack.yml. It reads the current
 Nightly's schedule and posts only when today is that version's merge day, so it is
 safe to run every day of the year.
 

app/scripts/release_notes_slack_reminder.py

@@ -2,7 +2,7 @@
 """
 Checks the Firefox beta release schedule and posts Slack reminders on milestone days.
 
-Run daily by .github/workflows/release-notes-slack.yml. No-ops on days that
+Run each weekday by .github/workflows/release-notes-slack.yml. No-ops on days that
 don't match a milestone, so it's safe to run every day of the year.
 
 Requires the SLACK_WEBHOOK_URL environment variable (set from the