Improve names of cron jobs for Actions (go-gitea#31736)

Before:

<img width="1641" alt="image"
src="https://github.com/user-attachments/assets/60fa3f3e-cf19-4903-b080-616aef28057b">

After:

<img width="1674" alt="image"
src="https://github.com/user-attachments/assets/b04fd01e-838d-45c3-9655-cb39a2f7d1f2">

Author: wolfogre

options/locale/locale_en-US.ini

@@ -2870,7 +2870,7 @@ dashboard.reinit_missing_repos = Reinitialize all missing Git repositories for w
 dashboard.sync_external_users = Synchronize external user data
 dashboard.cleanup_hook_task_table = Cleanup hook_task table
 dashboard.cleanup_packages = Cleanup expired packages
-dashboard.cleanup_actions = Cleanup actions expired logs and artifacts
+dashboard.cleanup_actions = Cleanup expired actions resources
 dashboard.server_uptime = Server Uptime
 dashboard.current_goroutine = Current Goroutines
 dashboard.current_memory_usage = Current Memory Usage
@@ -2900,15 +2900,15 @@ dashboard.total_gc_time = Total GC Pause
 dashboard.total_gc_pause = Total GC Pause
 dashboard.last_gc_pause = Last GC Pause
 dashboard.gc_times = GC Times
-dashboard.delete_old_actions = Delete all old actions from database
-dashboard.delete_old_actions.started = Delete all old actions from database started.
+dashboard.delete_old_actions = Delete all old activities from database
+dashboard.delete_old_actions.started = Delete all old activities from database started.
 dashboard.update_checker = Update checker
 dashboard.delete_old_system_notices = Delete all old system notices from database
 dashboard.gc_lfs = Garbage collect LFS meta objects
-dashboard.stop_zombie_tasks = Stop zombie tasks
-dashboard.stop_endless_tasks = Stop endless tasks
-dashboard.cancel_abandoned_jobs = Cancel abandoned jobs
-dashboard.start_schedule_tasks = Start schedule tasks
+dashboard.stop_zombie_tasks = Stop actions zombie tasks
+dashboard.stop_endless_tasks = Stop actions endless tasks
+dashboard.cancel_abandoned_jobs = Cancel actions abandoned jobs
+dashboard.start_schedule_tasks = Start actions schedule tasks
 dashboard.sync_branch.started = Branches Sync started
 dashboard.sync_tag.started = Tags Sync started
 dashboard.rebuild_issue_indexer = Rebuild issue indexer