Update to 0.12. From the changelog:

! XS.xs
+ t/06-nonstr.t
  Addressed: RT#94793: encodeURIComponent can't encode integer values
  https://rt.cpan.org/Ticket/Display.html?id=94793
! t/03-hashu.t
  No longer skips tests 4-6 for Test::Harness->VERSION > 3
! Makefile.PL
  Pulled: https://github.com/dankogai/p5-uri-escape-xs/pull/4
! lib/URI/Escape/XS.pm
  Pulled: https://github.com/dankogai/p5-uri-escape-xs/pull/3

(schmonz)