Update av requirement from ~=12.3.0 to ~=13.0.0

[dependabot]

Updates the requirements on av to permit the latest version.

Changelog

Sourced from av's changelog.

v13.0.0

Major:

• Drop FFmpeg 5, Support FFmpeg 7.
• Drop Python 3.8, Support Python 3.13.
• Update FFmpeg to 7.0.2 for the binary wheels.
• Disallow initializing an AudioLayout object with an int.
• Disallow accessing gop_size, timebase as a decoder (Raised deprecation warning before).
• Remove ticks_per_frame property because it was deprecated in FFmpeg.

Features:

• Add AttachmentStream class.
• Add best() method to StreamContainer.
• Add set_audio_frame_size() method to Graph object.
• Add nb_channels property to AudioLayout object.
• Add from_bytes() method to VideoFrame object.

Fixes:

• Fix VideoCC's repl breaking when self._format is None.
• Fix getting pix_fmt property when VideoCC's self._format is None.

v12.3.0

Features:

• Support libav's av_log_set_level by @​materight in (:issue:1448).
• Add Graph.link_nodes by @​WyattBlue in (:issue:1449).
• Add default codec properties by @​WyattBlue in (:issue:1450).
• Remove the xvid and ass packages in ffmpeg binaries because they were unused by @​WyattBlue in (:issue:1462).
• Add supported_codecs property to OutputContainer by @​WyattBlue in (:issue:1465).
• Add text and dialogue property to AssSubtitle, remove TextSubtitle by @​WyattBlue in (:issue:1456).

Fixes:

• Include libav headers in final distribution by @​materight in (:issue:1455).
• Fix segfault when calling subtitle_stream.decode() by @​WyattBlue in (:issue:1460).
• flushing subtitle decoder requires a new uninitialized packet by @​moonsikpark in (:issue:1461).
• Set default color range for VideoReformatter.format() by @​elxy in (:issue:1458).
• Resampler: format, layout accepts str int too by @​WyattBlue in (:issue:1446).

v12.2.0

Features:

... (truncated)

Commits

• 6b20f97 Use GitHub Discussions over Gitter
• 75c0e0b Remove unneeded libraries
• 0e4b711 Update type stubs for from_bytes()
• 5dc17e8 add from_bytes
• 1411bf7 Write release notes
• 6461201 Add back channels property to AudioLayout
• 8042cf8 Try 3.13 Numpy
• 9b25762 We don't use setup.py to do tests anymore
• 4f14a7c Skip 3.13 Windows (broken numpy)
• 8d76aac Edit readme to reflect changes in build step
• Additional commits viewable in compare view

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.