deps: Bump anstream from 0.6.7 to 0.6.18 #1363

Job	Run time
Build on x86_64-apple-darwin	1m 24s
Check formatting (Prettier)	4s
Validate PR title	3s
Build on aarch64-apple-darwin	1m 30s
Build on x86_64-pc-windows-msvc	3m 47s
Build on x86_64-unknown-linux-gnu	1m 37s
Check rustdoc intra-doc links	1m 44s
Test on x86_64-apple-darwin	2m 51s
rustfmt	18s
Test on x86_64-pc-windows-msvc	2m 26s
clippy	1m 46s
Test on x86_64-unknown-linux-gnu	1m 18s
	18m 48s

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