chore(py): release tket2-eccs 0.3.0 (#659) #2431

Job	Run time
Check for changes	4s
Check Python code 🐍	2m 16s
Check Rust code 🦀	1m 56s
Build benchmarks 🏋️	4m 3s
tests (Rust stable, no features)	1m 36s
tests (Rust nightly, coverage)	2m 9s
tests (Python, coverage)	2m 49s
tests (Rust 1.75)	2m 55s
tests (Rust stable, all features)	2m 16s
tests (Rust beta)	2m 46s
Check standard extensions	43s
Required checks 🦀+🐍	1s
	23m 34s

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