qa/vstart_runner: allow more time for vstart.sh to run

qa/vstart_runner: allow more time for vstart.sh to run

This issue was exposed by ceph API test failure. Link to this failure - https://jenkins.ceph.com/job/ceph-api/72373/

Copying traceback below from here https://jenkins.ceph.com/job/ceph-api/72373/consoleFull#-2010121386c212b007-e891-4176-9ee7-2f60eca393b7 -

2024-04-15 12:32:34,808.808 INFO:__main__:> ../src/vstart.sh -n
--nolockdep
Using guessed paths
/home/jenkins-build/build/workspace/ceph-api/build/lib/
['/home/jenkins-build/build/workspace/ceph-api/qa',
'/home/jenkins-build/build/workspace/ceph-api/build/lib/cython_modules/lib.3',
'/home/jenkins-build/build/workspace/ceph-api/src/pybind']
Traceback (most recent call last):
  File
"/home/jenkins-build/build/workspace/ceph-api/build/../qa/tasks/vstart_runner.py",
line 1552, in <module>
    exec_test()
  File
"/home/jenkins-build/build/workspace/ceph-api/build/../qa/tasks/vstart_runner.py",
line 1402, in exec_test
    remote.run(args=args, env=vstart_env, timeout=(3 * 60))
  File
"/home/jenkins-build/build/workspace/ceph-api/build/../qa/tasks/vstart_runner.py",
line 452, in run
    return self._do_run(**kwargs)
  File
"/home/jenkins-build/build/workspace/ceph-api/build/../qa/tasks/vstart_runner.py",
line 491, in _do_run
    proc.wait(timeout)
  File
"/home/jenkins-build/build/workspace/ceph-api/build/../qa/tasks/vstart_runner.py",
line 252, in wait
    out, err = self.subproc.communicate(timeout=timeout)
  File "/usr/lib/python3.10/subprocess.py", line 1152, in communicate
    stdout, stderr = self._communicate(input, endtime, timeout)
  File "/usr/lib/python3.10/subprocess.py", line 2004, in _communicate
    self._check_timeout(endtime, orig_timeout, stdout, stderr)
  File "/usr/lib/python3.10/subprocess.py", line 1196, in _check_timeout
    raise TimeoutExpired(
subprocess.TimeoutExpired: Command '../src/vstart.sh -n --nolockdep'
timed out after 180 seconds

Signed-off-by: Rishabh Dave <ridave@redhat.com>