Add 120 build timeout to helm jobs

Helm jobs often terminate due to timeout.
Increasing from 90 to 120

Change-Id: I4c051e9aa5e2f802ce0a80091721cdb9677568e0
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
1 file changed