build

fix CI: MSRV #25

Job	Run time
msrv	2m 53s
Windows - FFmpeg 4.4 - build, test and lint	3m 44s
macOS - FFmpeg 4 - build, test and lint	1m 52s
Windows - FFmpeg 5.0 - build, test and lint	2m 19s
Linux - FFmpeg 4.2 - build, test and lint	2m 43s
macOS - FFmpeg 5 - build, test and lint	2m 11s
Windows - FFmpeg 5.1 - build, test and lint	3m 55s
Linux - FFmpeg 4.3 - build, test and lint	1m 22s
macOS - FFmpeg 6 - build, test and lint	2m 18s
Windows - FFmpeg 6.0 - build, test and lint	3m 57s
Linux - FFmpeg 4.4 - build, test and lint	1m 43s
macOS - FFmpeg 7 - build, test and lint	2m 8s
Windows - FFmpeg 6.1 - build, test and lint	3m 54s
Linux - FFmpeg 5.1 - build, test and lint	1m 33s
Windows - FFmpeg 7.0 - build, test and lint	3m 56s
Linux - FFmpeg 6.1 - build, test and lint	1m 18s
Windows - FFmpeg 7.1 - build, test and lint	4m 15s
Linux - FFmpeg 7.0 - build, test and lint	1m 21s
Linux - FFmpeg 7.1 - build, test and lint	1m 27s
	48m 49s

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