change release target

gradle.properties

@@ -17,7 +17,7 @@ org.gradle.jvmargs=-Xmx1G
 	# The Curseforge versions "names" or ids for the main branch (comma separated: 1.16.4,1.16.5)
 	# This is needed because CF uses too vague names for prereleases and release candidates
 	# Can also be the version ID directly coming from https://minecraft.curseforge.com/api/game/versions?token=[API_TOKEN]
-	release-curse-versions = Minecraft 1.21:1.21.7
+	release-curse-versions = Minecraft 1.21:1.21.9-Snapshot
 	# Whether or not to build another branch on release
 	release-extra-branch = false
 	# The name of the second branch to release