- FFmpeg version 7.1.1
- Updated README.md

- Updated scripts

- Added FFmpeg min using new Maven Central package

* FFmpeg `v7.1.1`
* Multiple upgrade of internal libraries:
  - Nettle - from 3.8.2 to 3.10.2
  - SDL from 2.0.0 to 3.2.16
  - Libxml2 from 2.11.4 to 2.14.0
  - SRT from 1.5.2 to 1.5.4
  - Leptonica from 1.83.1 to 1.85.0
  - GnuTLS from 3.7.9 to 3.8.9
* Cleaned up iOS and Macos .podspec code
* Bumped Kotlin version to 2.2.0
* Fixed iOS and MacOS download scripts and added Videotoolbox support
* New Android Full-GPL Maven Central dependency
* Got rid of obsolete `ffmpeg_kit_flutter_android` package
* Updated `example` project with Hardware, Software and Videotoolbox encoding commands

* Added proguard-rules.pro to keep `ffmpeg` dependencies when minification is enabled
* Upgraded `freetype` from **2.13.0** to **2.13.3**
* Upgraded `harfbuzz` from **8.0.1** to **11.3.3**
* Upgraded `fontconfig` from **2.16.2** to 2.17.1
* Added support for `harfbuzz` library in order to support `drawtext` filter
* Fixed missing `libunibreak` for `libass.sh`
* Downgraded Kotlin to v1.8.22
* Upgraded com.android.library from `8.11.1` to `8.12.0`

* Upgraded semantic version to 7.1.1 in `ffmpeg_kit_factory.dart`

*   Upgraded FFmpeg to `v8.0.0` which includes new codecs, improved hardware acceleration, and a Whisper filter.
*   Updated iOS deployment target to 13.0
*   Updated macOS deployment target to 10.15
*   Updated Android `ffmpeg-kit-min-gpl` dependency to `2.0.0`
*   Updated framework download scripts for iOS and macOS

* Fixed the FFmpeg 8.0 compatibility issue across all platforms. The problem was that `all_channel_counts` was being set AFTER the filter was created, but FFmpeg 8.0 requires it to be set DURING filter creation.

*   Added ProGuard rules to support release builds