Ruby 2.5.3 has been released.

There were some missing files in the release packages of 2.5.2 which are
necessary for building.
See details in [[Bug #15232]](https://bugs.ruby-lang.org/issues/15232).

This release is just for fixing the packaging issue.
It does not contain any additional bug fixes from 2.5.2.

## Download

* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.3.tar.bz2>

      SIZE:   14159874 bytes
      SHA1:   d47ede7dab79de25fcc274dfcad0f92f389a4313
      SHA256: 228a787ba68a7b20ac6e1d5af3d176d36e8ed600eb754d6325da341c3088ed76
      SHA512: 6fe89fe9d406bb454457442f908774577369ab2501da4fd15725ccbab77675b88faad739a6c8ad1c7b6690b439a27de5e08035b7546406cdeca65c7b295e2c77

* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.3.tar.gz>

      SIZE:   15972577 bytes
      SHA1:   f919a9fbcdb7abecd887157b49833663c5c15fda
      SHA256: 9828d03852c37c20fa333a0264f2490f07338576734d910ee3fd538c9520846c
      SHA512: d13dc55655076f7d983481155cccc06eb51c51c8eabfc3edcc22e1dabad931eb28c0b2a23d9589b5132faf18c3c0077f8719cf33a91d71bb72213d306edde1a0

* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.3.tar.xz>

      SIZE:   11453336 bytes
      SHA1:   5acbdea1ced1e36684268e1cb6f8a4e7669bce77
      SHA256: 1cc9d0359a8ea35fc6111ec830d12e60168f3b9b305a3c2578357d360fcf306f
      SHA512: 6dcae0e8d0bacdb2cbde636e2030596308b5af53f2eb85d3adccb67b02e6f8f9751e8117d12f8484829fdd9d995f6e327f701d9b433bcf94f1f59d13a1fd7518

* <https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.3.zip>

      SIZE:   19170700 bytes
      SHA1:   c34a5a47d5ac64ef25368b5dffc3df2854531d7a
      SHA256: 622ffa051470e967f3e51cc6347783e93d9b09a4557d4f5a78efb87b959f87a3
      SHA512: 7807641e65516670dc10426364a3d45ecfb65555827e551b4a595bad373e1292797414abf0f67bed5d66815090afe6a6a3e3e29f8b7dbc4da462c43a3e8791b6

## Release Comment

Many committers, developers, and users who provided bug reports helped
us to make this release.
Thanks for their contributions.

Especially thank you wanabe for reporting the issue about the 2.5.2 packages.