sql: skip flaky TestReacquireLeaseOnRestart
sql: skip flaky TestReacquireLeaseOnRestart

This test changes the MaxOffset of a running node instead of starting one with
the desired clock offset. I suspect that that node is in fact pinging itself
and finds that it doesn't advertise the clock offset it has configured, but
I have not checked that.

Skipping this test since it's *extremely* flaky, but the fix should not be
too hard.

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