Mamba

docs: Adapt shell completion subsection (#3672) #1971

Job	Run time
Homebrew and Linuxbrew toolchains / Build on homebrew	6m 5s
Homebrew and Linuxbrew toolchains / Build on linuxbrew	5m 25s
Unix (macos-latest, debug) / Build binaries	1m 13s
Unix (macos-latest, release) / Build binaries	1m 3s
Unix (ubuntu-latest, debug) / Build binaries	52s
Unix (ubuntu-latest, release) / Build binaries	49s
Windows (windows-2019, release) / Build binaries	4m 20s
Unix (ubuntu-latest, release) / mamba-content-trust tests	22s
Unix (ubuntu-latest, release) / mamba integration tests	22m 54s
Unix (ubuntu-latest, release) / libmamba tests	51s
Unix (ubuntu-latest, release) / libmambapy tests	1m 25s
Unix (ubuntu-latest, debug) / mamba-content-trust tests	22s
Unix (ubuntu-latest, debug) / mamba integration tests	27m 48s
Unix (ubuntu-latest, debug) / libmamba tests	1m 0s
Unix (ubuntu-latest, debug) / libmambapy tests	1m 32s
Unix (macos-latest, release) / mamba integration tests	21m 15s
Unix (macos-latest, release) / libmambapy tests	1m 11s
Unix (macos-latest, release) / libmamba tests	59s
Unix (macos-latest, release) / mamba-content-trust tests	0s
Unix (macos-latest, debug) / libmambapy tests	1m 14s
Unix (macos-latest, debug) / mamba integration tests	18m 11s
Unix (macos-latest, debug) / libmamba tests	1m 13s
Unix (macos-latest, debug) / mamba-content-trust tests	0s
Windows (windows-2019, release) / mamba integration tests	58m 8s
Windows (windows-2019, release) / libmambapy tests	3m 20s
Windows (windows-2019, release) / libmamba tests	3m 33s
	3h 5m 5s

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