Update opencv to 4.8.1

Separate per-module subpackages (#1878320)

Update opencv to 4.8.0
Use bundle flatbuffers, tried build with flatbuffers from system but doesn't build
Use oneVPL instead libmfx
Add WeChat QRCode
https://src.fedoraproject.org/rpms/opencv/pull-request/23 , upgrade C++ standard to C++17 for protobuf v4 (23.x etc.)

Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild

Migrate to SPDX license format

Rebuild (tesseract)

Drop openni support on i686 as it is no longer available

Rebuilt for Python 3.12

Rebuilt for libdc1394

Upstream commit to fix rhbz#2190013

The %ldconfig_scriptlets macro can be removed on all Fedoras. Possibly also on
Install egg-info in python3_sitearch to stay in same location as the rest of python

Install python egg-info
Fix patch warning
Obsolete python2 < 4.8.1 (if someone want use an external python2 version}

Rebuild (gdal)
Disable tests, even only tests, fail to build and generate build.log with millions of logs lines saying:
l
Disable extra tests on builds

if without tests also disable 500MB of extra tests

Rebuild (tesseract)

Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild