[chip dv] Increase tap_strap_* tests' runtime
[chip dv] Increase tap_strap_* tests' runtime

Set the run`timeout_mins` for these tests to 120 - some
random seeds get killed due to exceeding the timeout.

Signed-off-by: Srikrishna Iyer <2803d640feace36379942447842f26c7747b4dc3@google.com>

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