Bump version to 54.0.0 #585

Job	Run time
build / generate-license	1m 3s
build / lint-python	10s
build / lint-toml	4s
build / lint-rust	20s
build / check-crates-patch	-1s
build / Linux arm64 (abi3)	10m 26s
build / Linux arm64 (3.14t)	9m 43s
build / macOS arm64 (abi3)	10m 57s
build / Linux x86_64 (abi3)	15m 27s
build / macOS arm64 (3.14t)	7m 43s
build / Windows x86_64 (3.14t)	3m 44s
build / Linux x86_64 (3.14t)	9m 57s
build / Windows x86_64 (abi3)	7m 52s
build / Source distribution	0s
build / macOS x86_64 (${{ matrix.python-tag }})	0s
build / Build docs	1m 16s
build / Merge build artifacts	0s
test / test-matrix (3.13, abi3, false)	4m 8s
test / test-matrix (3.14, abi3, false)	4m 16s
test / test-matrix (3.11, abi3, false)	3m 52s
test / test-matrix (3.14t, 3.14t, true)	3m 6s
test / test-matrix (3.12, abi3, false)	4m 21s
test / test-matrix (3.10, abi3, false)	3m 41s
	1h 42m 5s

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