Allow f-strings with `%z` for `DTZ007` #26323

Job	Run time
Determine changes	8s
cargo fmt	20s
pre-commit	32s
mkdocs	2m 27s
python package	1m 23s
benchmarks	4m 57s
cargo clippy	2m 4s
cargo fuzz	3m 54s
cargo test (linux)	3m 44s
cargo test (wasm)	1m 6s
cargo test (windows)	6m 36s
cargo udeps	1m 49s
formatter instabilities and black similarity	0s
test scripts	50s
ecosystem	8m 52s
test ruff-lsp	28s
	39m 10s

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