Enable vcpkg-linking on non-windows targets #337

Job	Run time
build_static_and_test_ubuntu	6m 16s
build_dynamic_and_test_macos	1m 28s
build_dynamic_and_test_ubuntu	2m 6s
build_dynamic_and_test_windows_pre	2m 37s
build_static_and_test_ubuntu_with_system_ffmpeg	1m 13s
build_with_vcpkg_ffmpeg_windows (x86_64-pc-windows-msvc, x64-windows-static, -Ctarget-feature=+cr...	17m 24s
rust_clippy_check_ubuntu	5m 48s
docs_rs_check	1m 6s
build_with_vcpkg_ffmpeg_windows (x86_64-pc-windows-msvc, x64-windows-static-md)	18m 14s
rust_clippy_check_windows	16m 58s
build_with_vcpkg_ffmpeg_windows (x86_64-pc-windows-msvc, x64-windows, true)	16m 38s
build_with_vcpkg_ffmpeg_windows (i686-pc-windows-msvc, x86-windows-static, -Ctarget-feature=+crt-...	17m 22s
rustfmt_check (macos-latest)	8s
build_with_vcpkg_ffmpeg_windows (i686-pc-windows-msvc, x86-windows-static-md)	16m 28s
rustfmt_check (windows-latest)	29s
build_with_vcpkg_ffmpeg_windows (i686-pc-windows-msvc, x86-windows, true)	17m 30s
rustfmt_check (ubuntu-latest)	7s
build_dynamic_and_test_windows	1m 41s
	2h 23m 33s

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