Bump Standards-Version to 4.7.0 (no changes needed)

debian/control

@@ -7,7 +7,7 @@ Build-Depends: debhelper-compat (= 13),
                gem2deb,
                libhiredis-dev,
                netcat-openbsd
-Standards-Version: 4.6.2
+Standards-Version: 4.7.0
 Vcs-Git: https://salsa.debian.org/ruby-team/ruby-hiredis.git
 Vcs-Browser: https://salsa.debian.org/ruby-team/ruby-hiredis
 Homepage: https://github.com/redis/hiredis-rb