Fix saving cache taking too long (#211) #688

Job	Run time
cmd	49s
comment-in-environment-file	23s
check-micromamba-on-path	20s
bash (ubuntu-latest)	18s
bash (macos-latest)	1m 1s
conda-lock	9s
correct-condarc	7s
bash (windows-latest)	1m 3s
create-args-multiple-spaces-1	16s
create-args-multiple-spaces-2	23s
custom-condarc	19s
env-variable	18s
environment-file	21s
incorrect-condarc	4s
micromamba-old-version-1	25s
micromamba-old-version-2	25s
micromamba-shell (ubuntu-latest)	19s
multiple-shell-init	27s
no-download-with-custom-path	21s
micromamba-shell (macos-latest)	58s
no-environment	7s
no-environment-file	15s
output-environment-path-custom-root-prefix	5s
output-environment-path-env-file	17s
output-environment-path-env-name-overwrite	20s
output-no-environment-path	7s
powershell (ubuntu-latest)	20s
use-micromamba-from-path	21s
powershell (macos-latest)	55s
powershell (windows-latest)	59s
	12m 32s

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