Merge pull request #135 from neo4j-labs/release/graph_builder/0.4.1 #536

Job	Run time
Build graph-mate with maturin	17s
Check	12s
Test Suite (stable)	1m 2s
Test Suite (cargo careful)	1m 35s
Test Suite (beta)	2m 41s
Clippy	22s
Rustfmt	8s
Run python tests	45s
Package graph_mate for Linux	0s
Package graph_mate for Windows	0s
Package graph_mate for Mac Universal	0s
Package graph_mate for Mac x86_64	0s
Release graph_mate	0s
Release a Rust crate	0s
Release all Rust crates	0s
	7m 2s

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