net-vpn/amneziawg-modules: don't try to build on linux 6.19

See: https://github.com/amnezia-vpn/amneziawg-linux-kernel-module/issues/138
Signed-off-by: Anna (cybertailor) Vyalkova <cyber+gentoo@sysrq.in>

net-vpn/amneziawg-modules/amneziawg-modules-1.0.20260210.ebuild

@@ -20,9 +20,15 @@ CONFIG_CHECK="NET INET NET_UDP_TUNNEL CRYPTO_ALGAPI"
 
 pkg_setup() {
 	linux-mod-r1_pkg_setup
+
 	if kernel_is -lt 3 10 0; then
 		die "This version of ${PN} requires Linux >= 3.10."
 	fi
+
+	# https://github.com/amnezia-vpn/amneziawg-linux-kernel-module/issues/138
+	if kernel_is -ge 6 19 0; then
+		die "This version of ${PN} requires Linux < 6.19."
+	fi
 }
 
 src_compile() {