Lock issues after 30 days. (#4884)

Author: Chris Elion

.github/lock.yml

@@ -1,7 +1,7 @@
 # Configuration for Lock Threads - https://github.com/dessant/lock-threads
 
 # Number of days of inactivity before a closed issue or pull request is locked
-daysUntilLock: 365
+daysUntilLock: 30
 
 # Skip issues and pull requests created before a given timestamp. Timestamp must
 # follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable