Update license files. #20

Job	Run time
cargo clippy (android) (armv7-linux-androideabi)	36s
cargo clippy (android) (aarch64-linux-android)	40s
cargo clippy (windows-latest)	59s
cargo check (msrv) (android) (armv7-linux-androideabi)	35s
cargo check (msrv) (windows-latest)	44s
cargo clippy (android) (x86_64-linux-android)	34s
cargo clippy (macos-14)	29s
cargo check (msrv) (android) (aarch64-linux-android)	29s
cargo check (msrv) (macos-14)	23s
cargo clippy (ubuntu-latest)	36s
cargo check (msrv) (android) (x86_64-linux-android)	28s
cargo check (msrv) (ubuntu-latest)	21s
cargo doc (windows-latest)	32s
cargo doc (macos-14)	18s
cargo fmt	25s
cargo doc (ubuntu-latest)	18s
cargo test (windows-latest)	38s
cargo test (macos-14)	19s
cargo test (ubuntu-latest)	14s
	9m 38s

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