security/rubygem-googleauth: Update to 1.7.0

Changes:	https://github.com/googleapis/google-auth-library-ruby/releases

security/rubygem-googleauth/Makefile

 PORTNAME=	googleauth
-PORTVERSION=	1.6.0
+PORTVERSION=	1.7.0
 CATEGORIES=	security rubygems
 MASTER_SITES=	RG
 

security/rubygem-googleauth/distinfo

-TIMESTAMP = 1688167146
-SHA256 (rubygem/googleauth-1.6.0.gem) = 0de5d8c6d3c0becdec6ab454bd4ad7596d8a5dd1ee6a752f261b41cd91fc6124
-SIZE (rubygem/googleauth-1.6.0.gem) = 47616
+TIMESTAMP = 1691070430
+SHA256 (rubygem/googleauth-1.7.0.gem) = 4f7528361a3c11185acd074cb875606005098a1b2f119c38a0676025f7213340
+SIZE (rubygem/googleauth-1.7.0.gem) = 48640