devel/rubygem-aws-sdk-docdb: Update to 1.71.0

Changes:	https://github.com/aws/aws-sdk-ruby/blob/version-3/gems/aws-sdk-docdb/CHANGELOG.md

devel/rubygem-aws-sdk-docdb/Makefile

 PORTNAME=	aws-sdk-docdb
-PORTVERSION=	1.70.0
+PORTVERSION=	1.71.0
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 

devel/rubygem-aws-sdk-docdb/distinfo

-TIMESTAMP = 1720355350
-SHA256 (rubygem/aws-sdk-docdb-1.70.0.gem) = 42ed4e4caf7fa27cf00c260aeff7c314a4bfc5dc9f0a6d094f064fdbce378e35
-SIZE (rubygem/aws-sdk-docdb-1.70.0.gem) = 103424
+TIMESTAMP = 1724084704
+SHA256 (rubygem/aws-sdk-docdb-1.71.0.gem) = 0b803c5b1eb037be21a9f30bacaa332e604df7fd809bfee96a0b34fff6d45e1a
+SIZE (rubygem/aws-sdk-docdb-1.71.0.gem) = 104448