improve: always add marimo in sandbox #2467

Job	Run time
changes	7s
ubuntu-latest / Py 3.9 / core deps	2m 37s
ubuntu-latest / Py 3.9 / core,optional deps	3m 12s
macos-latest / Py 3.9 / core deps	3m 22s
macos-latest / Py 3.9 / core,optional deps	4m 1s
windows-latest / Py 3.9 / core deps	4m 58s
windows-latest / Py 3.9 / core,optional deps	6m 9s
ubuntu-latest / Py 3.10 / core deps	2m 36s
ubuntu-latest / Py 3.11 / core deps	2m 35s
ubuntu-latest / Py 3.12 / core deps	3m 9s
ubuntu-latest / Py 3.10 / core,optional deps	3m 5s
ubuntu-latest / Py 3.11 / core,optional deps	3m 11s
ubuntu-latest / Py 3.12 / core,optional deps	5m 5s
	44m 7s

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