devel/rubygem-google-apis-pubsub_v1: Update to 0.56.0

Changes:	https://github.com/googleapis/google-api-ruby-client/blob/main/generated/google-apis-pubsub_v1/CHANGELOG.md

devel/rubygem-google-apis-pubsub_v1/Makefile

 PORTNAME=	google-apis-pubsub_v1
-PORTVERSION=	0.55.0
+PORTVERSION=	0.56.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-google-apis-pubsub_v1/distinfo

-TIMESTAMP = 1727315404
-SHA256 (rubygem/google-apis-pubsub_v1-0.55.0.gem) = 8fb260e5d3c238bb2da86b81e2ba1406979d140e6967dd9c0ff43c927448a916
-SIZE (rubygem/google-apis-pubsub_v1-0.55.0.gem) = 39936
+TIMESTAMP = 1728632680
+SHA256 (rubygem/google-apis-pubsub_v1-0.56.0.gem) = b6dea0f8eb2a53d59d7d600ffaf2974f537a3ba46ce0d7c90788352f2c9b1bcb
+SIZE (rubygem/google-apis-pubsub_v1-0.56.0.gem) = 41472