Fix pipenv environment detection with centralized directory support (… #1257

Job	Run time
Builds (windows-latest, aarch64-pc-windows-msvc)	4m 57s
Tests (macos-latest, x86_64-apple-darwin, yes)	13m 41s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 38s
Builds (macos-latest, x86_64-apple-darwin, yes)	3m 5s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 47s
Tests (macos-14, aarch64-apple-darwin, yes)	12m 50s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	3m 0s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 10s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 49s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	7m 44s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	10m 19s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	2m 43s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	5m 34s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	5m 41s
Builds (windows-latest, x86_64-pc-windows-msvc)	4m 57s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 18s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 12s
	1h 39m 25s

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