pink-pony-1.4.1-bp156.5.2

- Build with GCC13 on Leap 15
- Apply pink-pony-1.4.1-protobuf.diff on Leap 15 starts from 15.4
  since protobuf 25 has been added to SLE15-SP4
- Refresh pink-pony-1.4.1-protobuf.diff and
  0001-Fix-compile-issues-caused-by-Imath-being-moved-out-o.patch,
  and change the reordering

- fix source download URL

- Use %patch -P N instead of deprecated %patchN.
  Prepare for RPM 4.20

- apply pink-pony-1.4.1-protobuf.diff and
  0001-Fix-compile-issues-caused-by-Imath-being-moved-out-o.patch
  only for openSUSE Tumbleweed, fixes building on openSUSE Leap
- run spec-cleaner
- update URL and source URL

- fix build failure by using pkg-config to get protobuf settings
  (pink-pony-1.4.1-protobuf.diff)

- Add upstream patch:
  * 0001-Fix-compile-issues-caused-by-Imath-being-moved-out-o.patch

- go back to using libglfw2
- fix download url
- use %optflags (pink-pony-1.4.1.diff)

- new version 1.4.1
  * mainly build changes
  * remove obsolete (pink-pony-glx.diff)

- fix build with newer Mesa which lacks definition of GLXContextID
  pink-pony-glx.diff

- initial package version 1.3.1 with inspiration from Debian.
  Includes datadir.patch, script.patch.