Log Message:
kimageformats: update to 5.108.0

5.99
  pcx: Do not support sequential devices
  Fix maximum number of channels (testcase added)
  LibRaw_QIODevice::seek() avoid seek on a sequential device
  LibRaw_QIODevice::seek() bounding checks
  Camera RAW images plugin
  Enables opening of XCF files with Width and/or Height greater than 32K
  Replace C cast with reinterpret_cast
  avif: adjust for libavif breaking change in YUV<->RGB conversion
  Fix image allocation with Qt 6
5.100
  Don't install desktop files for image formats when building against Qt6
  raw: Don't seek back if we were asked to read too much
  jxl: indicate when all frames have been read
  avif: indicate when all frames have been read
  avif: always indicate endless loop (bug 460085)
  avif: return `false` in `canRead()` when `imageIndex >= imageCount`
  Auto-rotate input images in readtest
  jxl: remove C-style casts
  avif: Use reinterpret_cast instead C cast
  heif: replace C cast with static_cast
  heif: use heif_init/heif_deinit with libheif 1.13.0+
  FindLibRaw: fix include dir, should not contain prefix libraw/
  Fix duplicated tests
  ANI partial test and PIC test added
  PSD: impreved support to sequential access device
  Fix messages
  CMakeLists: enable EXR test
  Added EXR test image
  Fixes for sequential devices
5.101
  Fix missing DCI-P3 color space set
  raw: LibRaw_QIODevice::read: fixed possible partial reading of an item
  PSD multichannel testcases
  Support to MCH with 4+ channels (treat as CMYK)
  avif: Check if encoder/decoder is available in capabilities()
  Fix condition for installing desktop files
5.102
  raw: tweak seek implementation
  heif: fix error handling
  heif: rewrite plugin to use only libheif C API
5.103
  psd: conversion speed improvements (kf5)
  Fix writing TGA alpha depth flag
  HDR support removed from RAW plugin
  heif: reject invalid files with zero size
5.105
  psd: Fix alpha blending (KF5)
5.106
  Fix wrong alpha conversion
5.107
  pcx: multiple fixes (2)
  Avoid unnecessary conversions
  RGB/SGI writer: fix alpha detection and image limit size
  TGA writer: fix alpha detection and performance improvements
  pcx: multiple fixes
  PCX: Fix reading of the extended palette
5.108
  jxl: add support for libjxl v0.9, drop support for old 0.6.1