chore: Silence annoying cloud-bot messages by disabling merge blocking via foliage COMPASS-9414 (#6977)

COMPASS-9414: we don't block merges anyway so quiet the bot

Author: johnjackweir

.evergreen.yml

@@ -1,5 +1,6 @@
 stepback: false
 exec_timeout_secs: 5400
+foliage_should_block_merges: false
 ignore:
   - docs/**/*.md
   - AUTHORS