v2.3.0-rc1

@Merinorus

Shiny new stuff (more than I was aware of, after all this time...)

Add support for DX Film Edge read by @Merinorus in #684
Add support for detecting and reading Aztec Runes by @gormster in #763
Add reader support for DataBarLimited symbols (sponsored by EUREKAM)
Add C-API in official build
Add Kotlin/Native Wrapper by @ISNing in #719
Add Rust wrapper based on C-API
Add .NET wrapper based on C-API
Introduce new name Barcode for Result which will be removed in 3.0
LocalAverage binarizer: re-implement with symmetric threshold interpolation for improved detection of inverted symbols
cmake: replace BUILD_... prefix of cmake options with ZXING_...
cmake: switch to c++-20 by default for the core library
ImageView: introduce bounds checks in constructor
ImageView: Add ImageFormat::LumX for 2-byte grey + alpha input
ImageFormat: replace 'X' with 'A', e.g. RGBX -> RGBA
ZXingReader: add -binarizer <local|global|fixed> command line option
ZXingReader: add -single option to setMaxNumberOfSymbols(1)
ZXingReader: parse -formats (including 's') command line argument
ZXingReader: support reading image file from stdin by passing '-'
android: switch 'namespace' from zxingcpp to zxingcpp.lib to fix issue with maven central publication
Python: add support to write bytes as binary data

New experimental Create+Write API for generating/writing barcodes (will replace MultiFormatWriter)
New experimental libzint based writer backend
New ImageView Barcode::symbol() property
New experimental writer API in python

Complete ZXIReaderOptions in iOS Wrapper by @markusfisch in #692
ios: remove initWithFormats initializer by @markusfisch in #723
cmake: Make build reproducible across different build directories by @EchterAgo in #730
Release color space after use in iOS wrapper by @markusfisch in #790
cmake: allow overriding python install directories by @jameshilliard in #842
Refine MultiFormatReader results filtering and apply C++20 erase_if by @Doekin in #846
HRI: update AIs to latest gs1-syntax-dictionary.txt by @gitlost in #880
android: add linker flag to support flexible page sizes in Android 15 by @ccrowell-kr in #872
Deprecate validateITFCheckSum, validateCode39CheckSum, returnCodabarStartEnd
BitHacks: fix random QRCode content on pre-Haswell Windows machines
DataMatrix: improve detection of near 45° rotated symbols
cmake: add /utf-8 to MSVC compile flags
Barcode: tune operator==() to not split up overly tall linear symbols
Several ITFReader improvements
QRDecoder: return some content even in the presence of a checksum error
DataBar: improve detection rate by incorporating edge-2-edge pattern
PDF417: prevent wrong position info with right side collapsing to (0,0)
Python: make sure macOS and 64bit Linux packes on pypi.org support multi-symbol DataMatrix detection (c++20 support)