Support floating-point base in FURB163 #22557

Job	Run time
cargo fmt	13s
Determine changes	7s
pre-commit	43s
mkdocs	1m 59s
python package	1m 18s
benchmarks	9m 44s
cargo clippy	1m 44s
cargo test (linux)	3m 46s
cargo fuzz	4m 30s
cargo test (wasm)	1m 8s
cargo test (windows)	4m 36s
cargo udeps	1m 50s
formatter instabilities and black similarity	0s
test scripts	55s
test ruff-lsp	17s
ecosystem	7m 48s
	40m 38s

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