feat: EXT-X-SESSION-KEY support (#36) #618

Job	Run time
Settings / settings	2s
Lint / Lint	20s
Build and test / Matrix configuration	9s
Build docs / Build docs	36s
Official Docker image / Build	11m 35s
Test Linux distros / Matrix configuration	6s
Test Linux distros / Alpine	11m 53s
Test Linux distros / ArchLinux	11m 51s
Test Linux distros / CentOS	10m 24s
Test Linux distros / Debian	11m 30s
Test Linux distros / Fedora	10m 17s
Test Linux distros / OpenSUSE	11m 4s
Test Linux distros / Ubuntu	9m 42s
Build and test / linux x64 Debug static	9m 36s
Build and test / linux x64 Debug shared	9m 30s
Build and test / linux x64 Release static	13m 24s
Build and test / linux x64 Release shared	10m 47s
Build and test / osx x64 Debug static	29m 13s
Build and test / osx x64 Debug shared	25m 0s
Build and test / osx x64 Release static	12m 12s
Build and test / osx x64 Release shared	10m 30s
Build and test / osx arm64 Debug static	19m 32s
Build and test / osx arm64 Debug shared	17m 49s
Build and test / osx arm64 Release static	6m 51s
Build and test / osx arm64 Release shared	7m 27s
Build and test / win x64 Debug static	14m 0s
Build and test / win x64 Debug shared	14m 57s
Build and test / win x64 Release static	17m 34s
Build and test / win x64 Release shared	17m 23s
Build and test / linux arm64 Debug static	34m 43s
Build and test / linux arm64 Debug shared	11m 19s
Build and test / linux arm64 Release static	12m 9s
Build and test / linux arm64 Release shared	10m 49s
	6h 34m 14s

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