x11-toolkits/rubygem-poppler: Update to 4.0.0

- Update WWW

Changes:	https://github.com/ruby-gnome/ruby-gnome/releases

x11-toolkits/rubygem-poppler/Makefile

 PORTNAME=	poppler
-PORTVERSION=	3.5.1
+PORTVERSION=	4.0.0
 CATEGORIES=	x11-toolkits rubygems
 MASTER_SITES=	RG
 

x11-toolkits/rubygem-poppler/distinfo

-TIMESTAMP = 1643134049
-SHA256 (rubygem/poppler-3.5.1.gem) = 6cc0111930b1cc0b4dccb7e811aad05049b9b2a9ccf62c3babf33bae11abb761
-SIZE (rubygem/poppler-3.5.1.gem) = 95232
+TIMESTAMP = 1662212284
+SHA256 (rubygem/poppler-4.0.0.gem) = 790c31f9e405af3163e6a5a73aacff574f0ec82cab57dc0d4c9349aed01e5ffc
+SIZE (rubygem/poppler-4.0.0.gem) = 95232

x11-toolkits/rubygem-poppler/pkg-descr

 Ruby/Poppler is a Ruby binding for Poppler.
 
-WWW: https://ruby-gnome2.osdn.jp/
+WWW: https://ruby-gnome.github.io/