Bump version to `0.14.2+ffmpeg.6.1` (#129) #338

Job	Run time
rust_clippy_check_ubuntu	5m 7s
build_dynamic_and_test_windows_pre	5m 51s
docs_rs_check	47s
build_static_and_test_ubuntu (release/4.3, nightly, no valgrind)	5m 43s
build_static_and_test_ubuntu (release/4.3, 1.70.0, no valgrind)	5m 11s
rust_clippy_check_windows	1m 38s
rustfmt_check (macos-latest)	20s
build_static_and_test_ubuntu (release/5.0, nightly, no valgrind)	6m 25s
rustfmt_check (windows-latest)	35s
build_static_and_test_ubuntu (release/5.0, 1.70.0, no valgrind)	5m 17s
rustfmt_check (ubuntu-latest)	15s
build_static_and_test_ubuntu (release/6.1, nightly, valgrind)	1h 3m 28s
build_static_and_test_ubuntu (release/6.1, nightly, no valgrind)	7m 44s
build_static_and_test_ubuntu (release/6.1, 1.70.0, no valgrind)	5m 39s
build_dynamic_and_test_windows (nightly)	2m 26s
build_dynamic_and_test_windows (1.70.0)	2m 42s
	1h 59m 8s

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