Added option to set agent port (#3053) #1005

Job	Run time
check_if_release_branch	2s
towncrier_check	43s
changed_files	43s
build mirrord CLI	0s
check-rust-docs	1m 0s
lint	3m 17s
integration_tests	5m 44s
macos_tests	26m 47s
lint_markdown	0s
test_agent	3m 25s
test_agent_image	6m 19s
test_cli_image	6m 1s
vscode_e2e_on_release_branch	0s
e2e (docker)	11m 54s
intellij_e2e_on_release_branch	0s
e2e (containerd)	9m 25s
ci	1s
	1h 15m 21s

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