Log Message:
graphics/ruby-RMagick: update to 4.2.6

RMagick 4.2.6 (2022-07-15)

Improvements

* Remove test_files to reduce gem package size (#1338)

Bug Fixes

* Guard against an empty rpath (#1333)
* Call GetImageDistortion instead of IsImagesEqual to fix the issue reported
  in #1342 (#1343)

RMagick 4.2.5 (2022-04-06)

Bug Fixes

* Specify rpath linker option to fix dynamic lib lookup failure on Linux
  (#1325)
* Fix Image#profile! that can't delete exif data (#1326)