shellcheck: add config to stop complaining about local
shellcheck: add config to stop complaining about local

Yes, local is not POSIX, but all the shells we care about support it

Signed-off-by: Patrick Bruenn <27dd71a6a4a167461f53ec06010a2a08d399a527@beckhoff.com>

Beckhoff/ADS,Beckhoff/ADS,Beckhoff/ADS,Beckhoff/ADS