net/rubygem-google-cloud-pubsub-v1: Update to 0.17.3

Changes:	https://github.com/googleapis/google-cloud-ruby/releases
		https://github.com/googleapis/google-cloud-ruby/blob/main/google-cloud-pubsub-v1/CHANGELOG.md

net/rubygem-google-cloud-pubsub-v1/Makefile

 PORTNAME=	google-cloud-pubsub-v1
-PORTVERSION=	0.17.2
+PORTVERSION=	0.17.3
 CATEGORIES=	net rubygems
 MASTER_SITES=	RG
 

net/rubygem-google-cloud-pubsub-v1/distinfo

-TIMESTAMP = 1688167130
-SHA256 (rubygem/google-cloud-pubsub-v1-0.17.2.gem) = 841a1ab2c591f405ec48a57317c7b40ebbdb8c0c566b873f2fba2605d85d5fbc
-SIZE (rubygem/google-cloud-pubsub-v1-0.17.2.gem) = 81408
+TIMESTAMP = 1691070422
+SHA256 (rubygem/google-cloud-pubsub-v1-0.17.3.gem) = 7e9fd8ee4759fcf49ed68aadaa3ec33bdbfb130deb90b8bee2af71993b484200
+SIZE (rubygem/google-cloud-pubsub-v1-0.17.3.gem) = 81920