Update RELEASENOTES.md

Signed-off-by: Lala Sabathil <[email protected]>

Author: Lulalaby

Diff for: RELEASENOTES.md

@@ -13,6 +13,9 @@ DisCatSharp Release Notes
     - Small breaking change in `AttachmentFlags`: The flag values are now prefixed with `Is` to be in line with other flag names.
     - `AddMention(IMention mention)` => `WithAllowedMention(IMention allowedMention)`
     - `AddMentions(IEnumerable<IMention> mentions)` => `WithAllowedMentions(IEnumerable<IMention> allowedMentions)`
+	- Breaking change for `DiscordTextComponent`: `string customId = null, string label = null` was switched to `string label, string customId = null`.
+	- `Url` fields on DiscordXY objects are now of type `DiscordUri`. You can still use it as `Uri` arg since we added an implicit operator.
+	- Fixed the naming for create and delete test entitlement methods
 
 
 DisCatSharp.Attributes Release Notes