Add support for RemoteCommand option in kitten ssh #12811

Job	Run time
Bundle test (ubuntu-latest)	2m 8s
Test ./dev.sh and benchmark	1m 33s
macOS Brew	6m 18s
Linux package	3m 45s
Bundle test (macos-latest)	4m 5s
Linux (python=3.11 cc=gcc sanitize=1)	2m 8s
Linux (python=3.12 cc=clang sanitize=1)	2m 30s
Linux (python=3.10 cc=gcc sanitize=0)	1m 56s
	24m 23s

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