perf: reuse Conda history while parsing environments (Fixes #475) (#493) #1620

Job	Run time
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	4m 36s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	10m 6s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	2m 53s
Builds (macos-14, aarch64-apple-darwin, yes)	3m 54s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 36s
Builds (macos-latest, x86_64-apple-darwin, yes)	3m 35s
Tests (macos-14, aarch64-apple-darwin, yes)	13m 0s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	7m 9s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	3m 14s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 24s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 24s
Builds (windows-latest, x86_64-pc-windows-msvc)	6m 6s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	6m 14s
Tests (macos-latest, x86_64-apple-darwin, yes)	17m 42s
Builds (windows-latest, aarch64-pc-windows-msvc)	4m 55s
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 49s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	6m 8s
	1h 47m 45s

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