spotify-qt: update to 4.0.0, drop maintainer

I no longer use this, whoever does: feel free to run-test, take maintainer
and/or commit this diff.

https://github.com/kraxarn/spotify-qt/releases/tag/v4.0.0

Index: Makefile
===================================================================
RCS file: /cvs/ports/audio/spotify-qt/Makefile,v
diff -u -p -r1.3 Makefile
--- Makefile 14 Dec 2024 14:48:15 -0000 1.3
+++ Makefile 3 May 2025 19:57:51 -0000
@@ -1,9 +1,7 @@
COMMENT = lightweight Spotify client using Qt
-DIST_TUPLE = github kraxarn spotify-qt v3.12 .
+DIST_TUPLE = github kraxarn spotify-qt v4.0.0 .
CATEGORIES = audio x11

-MAINTAINER = Klemens Nanni <kn@openbsd.org>
-
# GPLv3.0
PERMIT_PACKAGE = Yes

@@ -20,8 +18,7 @@ RUN_DEPENDS = audio/spotifyd \
x11/gtk+4,-guic

# devel/kf5/kcrash is qt5-only
-CONFIGURE_ARGS = -DUSE_QT6=ON \
- -DUSE_KCRASH=OFF \
+CONFIGURE_ARGS = -DUSE_KCRASH=OFF \
-DCMAKE_DISABLE_FIND_PACKAGE_Git=ON

.include <bsd.port.mk>
Index: distinfo
===================================================================
RCS file: /cvs/ports/audio/spotify-qt/distinfo,v
diff -u -p -r1.3 distinfo
--- distinfo 14 Dec 2024 14:48:15 -0000 1.3
+++ distinfo 3 May 2025 19:56:39 -0000
@@ -1,2 +1,2 @@
-SHA256 (kraxarn-spotify-qt-v3.12.tar.gz) = V4L/nNhUqpK0ukmDfT7Uta2gQn/UQOFoZulyerzZ32I=
-SIZE (kraxarn-spotify-qt-v3.12.tar.gz) = 1916287
+SHA256 (kraxarn-spotify-qt-v4.0.0.tar.gz) = NY2mOr8b0FKMe15TqnLypd8mXpsLRxDK/vug0PYzpnI=
+SIZE (kraxarn-spotify-qt-v4.0.0.tar.gz) = 774826