Minor pkg version typo

As per the Readme file I believe the package version should be 4.2.2 instead of 4.2.3

dkms.conf

@@ -1,5 +1,5 @@
 PACKAGE_NAME=8812au
-PACKAGE_VERSION=4.2.3
+PACKAGE_VERSION=4.2.2
 
 DEST_MODULE_LOCATION=/kernel/drivers/net/wireless
 BUILT_MODULE_NAME=8812au