Bump ufmt from 2.7.0 to 2.7.3 (#1212) #1003

Job	Run time
lint	2m 23s
test (macos-latest, 3.9)	4m 25s
typecheck	2m 20s
test (macos-latest, 3.10)	4m 32s
docs	3m 57s
Rust unit tests (ubuntu-latest)	2m 38s
test (macos-latest, 3.11)	4m 16s
Rust unit tests (macos-latest)	1m 55s
test (macos-latest, 3.12)	5m 30s
Rustfmt	1m 22s
Rust unit tests (windows-latest)	3m 59s
test (ubuntu-latest, 3.9)	6m 3s
test (ubuntu-latest, 3.10)	5m 55s
test (ubuntu-latest, 3.11)	6m 16s
test (ubuntu-latest, 3.12)	8m 47s
test (windows-latest, 3.9)	8m 47s
test (windows-latest, 3.10)	9m 11s
test (windows-latest, 3.11)	9m 23s
test (windows-latest, 3.12)	10m 45s
	1h 42m 24s

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