Forgotten version bump and a small fix to ojph_compress

Undefined behaviour fixes in ojph_block_encoder_avx2 (#301)

* Fixes an undefined behaviour that shows up in clang
* More undefined behaviour fixes.

S390x Support (#290)

* Issues/0266 add support for big-endian architecture (#287)

* add CI for big-endian s390x architecture

* update Dockerfile

* Update Dockerfile to Ubuntu 26.04 LTS

* add Alpine Linux Dockerfile including instructions for running it using big-endian emulation with QEMU

* skip byteswap in encoding functions on big-endian architecture

* skip byteswap in decoding functions on big-endian architecture

* skip byteswap for ppm 16bit samples with big-endian architecture

* add big-endian architecture support for file-formats that assume little-endian on disk

* write little-endian pfm files on big-endian architecture

* add #include ojph_arch.h, clean up formatting and typos

* move #include "ojph_arch.h" below c-library includes

* shorten swap_bytes_if... function names

* Touch-ups

* Touchup2.

* Modifying Dockerfile

* Modify CI for s390x to make it manual, bc it is too slow.

* Update the workflow (forgotten)

* Update the workflow (Forgotten 2)

* Reduces number of CI builds

* Version bump

* Extinguishing warnings on MacOS

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Co-authored-by: michaeldsmith <37905569+michaeldsmith@users.noreply.github.com>

Version bump

Version bump

Version bump

Fixed an issue with how COC is generated.

Fix version (#270)

* Fix version
* Update ojph_version.h
It is better to move the version to 0.27.2, since it is problematic to update a released version.

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Co-authored-by: Aous Naman <aous@unsw.edu.au>

Adds a check that we do not use reversible Sqcd/Sqcc with irreversibl…

…e transform

Version bump