fix(docs): Note is missing an end block in markdown (#5573)

Signed-off-by: Luke Massa <[email protected]>
Signed-off-by: Luke Massa <[email protected]>

Author: lukemassa

runatlantis.io/docs/server-configuration.md

@@ -844,6 +844,7 @@ By default, any group can plan and apply.
 
 ::: warning NOTE
 Atlantis needs to be able to view the listed group members, inaccessible or non-existent groups are silently ignored.
+:::
 
 ### `--gitlab-hostname` <Badge text="v0.2.0+" type="info"/>