RDKEMW-10728: Update pn-networkmanager-plugin version to 1.9.0 (#2227)

Author: DevikaJaladi

conf/include/generic-pkgrev.inc

@@ -283,7 +283,7 @@ PV:pn-memcr = "1.0.2"
 PR:pn-memcr = "r0"
 PACKAGE_ARCH:pn-memcr = "${MIDDLEWARE_ARCH}"
 
-PV:pn-networkmanager-plugin = "1.8.0"
+PV:pn-networkmanager-plugin = "1.9.0"
 PR:pn-networkmanager-plugin = "r0"
 PACKAGE_ARCH:pn-networkmanager-plugin = "${MIDDLEWARE_ARCH}"