Bump version to 1.5.1 (#1246) #1040

Job	Run time
Rustfmt	8s
docs	1m 50s
lint	2m 40s
Rust unit tests (ubuntu-latest)	2m 31s
typecheck	1m 9s
test (macos-latest, 3.9)	4m 56s
test (macos-latest, 3.10)	3m 58s
Rust unit tests (macos-latest)	3m 39s
test (macos-latest, 3.11)	4m 49s
Rust unit tests (windows-latest)	5m 36s
test (macos-latest, 3.12)	6m 34s
test (macos-latest, 3.13)	5m 15s
test (ubuntu-latest, 3.9)	5m 48s
test (ubuntu-latest, 3.10)	6m 13s
test (ubuntu-latest, 3.11)	6m 32s
test (ubuntu-latest, 3.12)	8m 42s
test (ubuntu-latest, 3.13)	9m 47s
test (windows-latest, 3.9)	9m 19s
test (windows-latest, 3.10)	9m 12s
test (windows-latest, 3.11)	9m 54s
test (windows-latest, 3.12)	11m 6s
test (windows-latest, 3.13)	12m 18s
	2h 11m 56s

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