renamed the package and updated nvchecker and srcinfo

.SRCINFO

@@ -1,4 +1,4 @@
-pkgbase = ultimatekeys
+pkgbase = xkb-ultimatekeys
 	pkgdesc = International US QWERTY keyboard layout with enhanced multilingual support
 	pkgver = 2025.04.25
 	pkgrel = 1
@@ -6,7 +6,7 @@ pkgbase = ultimatekeys
 	arch = any
 	license = GPL-3.0-only
 	depends = xkeyboard-config
-	source = ultimatekeys-2025.04.25.tar.gz::https://github.com/pieter-degroote/UltimateKEYS/archive/refs/tags/r2025-04-25.tar.gz
+	source = xkb-ultimatekeys-2025.04.25.tar.gz::https://github.com/pieter-degroote/UltimateKEYS/archive/refs/tags/r2025-04-25.tar.gz
 	b2sums = 2b71179a74c6e76ea3dfa8097f40fb5434d21b65329280a8f57330ca829a457fb0dda9fecea8133ee7c31519d4d6d318b47c5a90808540a3b462a0bc8fcceca4
 
-pkgname = ultimatekeys
+pkgname = xkb-ultimatekeys

.nvchecker.toml

@@ -1,3 +1,3 @@
-[ultimatekeys]
+[xkb-ultimatekeys]
 source = "git"
 git = "https://github.com/pieter-degroote/UltimateKEYS.git"