devel/rubygem-minitest: Update to 5.25.5

Changes:	https://github.com/minitest/minitest/blob/master/History.rdoc
		https://docs.seattlerb.org/minitest/History_rdoc.html

devel/rubygem-minitest/Makefile

 PORTNAME=	minitest
-PORTVERSION=	5.25.4
+PORTVERSION=	5.25.5
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-minitest/distinfo

-TIMESTAMP = 1734337304
-SHA256 (rubygem/minitest-5.25.4.gem) = 9cf2cae25ac4dfc90c988ebc3b917f53c054978b673273da1bd20bcb0778f947
-SIZE (rubygem/minitest-5.25.4.gem) = 100864
+TIMESTAMP = 1742070832
+SHA256 (rubygem/minitest-5.25.5.gem) = 391b6c6cb43a4802bfb7c93af1ebe2ac66a210293f4a3fb7db36f2fc7dc2c756
+SIZE (rubygem/minitest-5.25.5.gem) = 101376