x11/nwg-dock: update to 0.3.4

Changes:	https://github.com/nwg-piotr/nwg-dock/releases/tag/v0.3.4
Reported by:	GitHub (watch releases)

x11/nwg-dock/Makefile

 PORTNAME=	nwg-dock
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.3.3
-PORTREVISION=	7
+DISTVERSION=	0.3.4
 CATEGORIES=	x11
 
 MAINTAINER=	jbeich@FreeBSD.org

x11/nwg-dock/distinfo

-TIMESTAMP = 1669164061
-SHA256 (nwg-piotr-nwg-dock-v0.3.3_GH0.tar.gz) = c0833b207caa2cac48843897a7632f1af6ccf46ddc2af3431ea4765a15049189
-SIZE (nwg-piotr-nwg-dock-v0.3.3_GH0.tar.gz) = 29017
+TIMESTAMP = 1684278584
+SHA256 (nwg-piotr-nwg-dock-v0.3.4_GH0.tar.gz) = 7ef894a087d407afc4d0715ed5c30844f1ee3e2177013a83485617fc379a4405
+SIZE (nwg-piotr-nwg-dock-v0.3.4_GH0.tar.gz) = 29710
 SHA256 (allan-simon-go-singleinstance-d0997106ab37_GH0.tar.gz) = f8cee874873fe9fc1a81e8a7ca83df85c57aa86279c09cb8cba10d5feb7ed295
 SIZE (allan-simon-go-singleinstance-d0997106ab37_GH0.tar.gz) = 2819
 SHA256 (dlasky-gotk3-layershell-e6ecab2731f7_GH0.tar.gz) = 87c3acd2b403aa85a4e6f29256ee167450065e46f7d8e4c05d8769ed80411fc5