test: Fix the usage of conda/mamba in the smoke test #1203

Job	Run time
linter	1m 26s
smoke-test (auto-format-tools.sh)	1m 23s
check-branch	3s
smoke-test (automation.sh)	1m 20s
smoke-test (build-systems.sh)	1m 19s
smoke-test (cli.sh)	1m 24s
smoke-test (containers.sh)	1m 28s
smoke-test (docs.sh)	1m 22s
smoke-test (files.sh)	1m 21s
smoke-test (linters.sh)	1m 18s
smoke-test (tests.sh)	1m 26s
smoke-test (virtual-envs.sh)	1m 21s
tests (ubuntu)	1m 22s
tests (windows)	5m 18s
tests (macos)	3m 27s
	25m 18s

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