tests

Explicitly drop support for FFmpeg < 5.0 #893

Job	Run time
black	12s
package-source	25s
py-3.8 lib-5.1 windows-latest	4m 24s
flake8	6s
py-3.8 lib-5.1 ubuntu-latest	6m 48s
isort	7s
py-3.8 lib-5.0 windows-latest	4m 57s
py-3.8 lib-5.0 ubuntu-latest	7m 5s
py-pypy3.9 lib-5.0 ubuntu-latest	6m 42s
package-wheel (macos-latest, arm64)	24m 55s
py-3.8 lib-5.0 macos-latest	5m 43s
package-wheel (macos-latest, x86_64)	27m 58s
package-wheel (ubuntu-latest, aarch64)	4h 29m 17s
package-wheel (ubuntu-latest, i686)	29m 27s
package-wheel (ubuntu-latest, x86_64)	28m 2s
package-wheel (windows-latest, AMD64)	26m 4s
publish	51s
	7h 23m 3s

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