fix(adventure): include phase in pride tag arguments (#676)

Author: Privatech38

src/content/docs/adventure/minimessage/format.mdx

@@ -513,10 +513,11 @@ Your health is <nbt:entity:'@s':Health/>
 *(since v4.18.0)* Colors the text inside the tags with a gradient corresponding to a pride flag.
 
 Tag
-  * `<pride[:flag]>`
+  * `<pride[:flag|phase]>`
 
 Arguments
   * `flag` the flag to use, may be one of pride, progress, trans, bi, pan, nb, lesbian, ace, agender, demisexual, genderqueer, genderfluid, intersex, aro, baker, philly, queer, gay, bigender or demigender.
+  * `phase` phase, a number between -1 and 1, optional
 
 Examples
 ```mm