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Write Pipfile.lock through one entry splicer in formats::pipenv (#1128) #1452

Job	Run time
matrix (ubuntu-latest, 2022.12.19 2026.8.0, crlf marker-excluded extras category)	4m 51s
matrix (ubuntu-latest, 2018.11.26 2020.11.15 2021.11.23 2022.12.19 2023.12.1 2024.4.1 2025.1.3 20...	5m 55s
matrix-macos	-1s
	10m 45s