Template Manager: Suppress subprocess security warning from Ruff. #389

Job	Run time
initialize / define-constants	3s
test / lint-and-build	49s
test / test-coverage (ubuntu-latest, 3.11)	40s
test / test-coverage (ubuntu-latest, 3.14)	47s
test / test-coverage (ubuntu-latest, 3.13)	41s
test / test-coverage (macos-latest, 3.12)	34s
test / test-coverage (macos-latest, 3.14)	31s
test / test-coverage (macos-latest, 3.10)	1m 4s
test / test-coverage (ubuntu-latest, pypy3.11)	1m 52s
test / test-coverage (ubuntu-latest, 3.10)	46s
test / test-coverage (ubuntu-latest, 3.12)	42s
test / test-coverage (macos-latest, 3.13)	35s
test / test-coverage (macos-latest, pypy3.11)	2m 12s
test / test-coverage (windows-latest, 3.12)	1m 46s
test / test-coverage (windows-latest, 3.13)	1m 36s
test / test-coverage (windows-latest, 3.10)	1m 26s
test / test-coverage (windows-latest, 3.14)	1m 44s
test / test-coverage (macos-latest, 3.11)	40s
test / test-coverage (windows-latest, 3.11)	2m 3s
report / report-coverage	30s
	21m 1s

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