Bump dashmap from 6.0.1 to 6.1.0 #907

Job	Run time
sanity / Check	3m 24s
sanity / Clippy	4m 29s
sanity / Rustfmt	36s
sanity / Validate commit messages	9s
sanity / Test documentation	3m 49s
sanity / Sort dependencies	55s
sanity / Unused dependencies	1m 9s
build and test macOS-aarch64	2m 24s
build and test Linux-x86_64-musl	6m 2s
build Windows-x86_64	5m 38s
backwards_compatibility / check_commit_message	8s
backwards_compatibility / build_and_test	2m 16s
finalize_pr	1s
	31m 0s

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