Update Application Command Naming regex (#7303)

Author: Syjalo

docs/interactions/Application_Commands.mdx

@@ -8,7 +8,7 @@ Application commands are native ways to interact with apps in the Discord client
 
 ###### Application Command Naming
 
-`CHAT_INPUT` command names and command option names must match the following regex `^[-_\p{L}\p{N}\p{sc=Deva}\p{sc=Thai}]{1,32}$` with the unicode flag set. If there is a lowercase variant of any letters used, you must use those. Characters with no lowercase variants and/or uncased letters are still allowed. `USER` and `MESSAGE` commands may be mixed case and can include spaces.
+`CHAT_INPUT` command names and command option names must match the following regex `^[-_'\p{L}\p{N}\p{sc=Deva}\p{sc=Thai}]{1,32}$` with the unicode flag set. If there is a lowercase variant of any letters used, you must use those. Characters with no lowercase variants and/or uncased letters are still allowed. `USER` and `MESSAGE` commands may be mixed case and can include spaces.
 
 ###### Application Command Structure