fix: rename `Partition` into `Coordinate` #1731

Job	Run time
cargo-lint / cargo-dry-publish / publish	16s
cargo-lint / cargo-doc / doc	39s
cargo-lint / cargo-semver / Check semver	4m 5s
cargo-lint / cargo-nursery-base / cargo-audit / Audit	5m 25s
cargo-lint / cargo-nursery-base / cargo-lint / lint	2m 41s
cargo-lint / cargo-nursery-base / cargo-udeps / Check udeps	6m 49s
cleanup	0s
cargo-publish	0s
	19m 55s

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