Declare compliance with Debian Policy 4.5.1

Author: lucaskanashiro

debian/control

@@ -21,7 +21,7 @@ Build-Depends: bison,
                systemtap-sdt-dev [linux-any],
                tzdata,
                zlib1g-dev
-Standards-Version: 4.5.0
+Standards-Version: 4.5.1
 Homepage: https://www.ruby-lang.org/
 Vcs-Git: https://github.com/sorah-rbpkg/ruby
 Vcs-Browser: https://github.com/sorah-rbpkg/ruby