Add option to subctl verify to run basic connectivity tests #2112

Job	Run time
No "Apply suggestions from code review" Commits	11s
No "Apply suggestions from code review" Commits	9s
Commit Message(s)	16s
Commit Message(s)	16s
Go	4m 8s
Go	4m 8s
Dependency Licenses	4m 32s
Dependency Licenses	4m 32s
Markdown Links (modified files)	25s
Markdown Links (modified files)	25s
Markdown	12s
Markdown	12s
Package Documentation	1m 12s
Package Documentation	1m 12s
Shell	42s
Shell	42s
Vulnerability Scanning	36s
Vulnerability Scanning	36s
YAML	10s
YAML	10s
	24m 46s

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