[CPS] Adding Istanbul stream to cps ci management, release process step 11

Adding istanbul branch TO CI-MANAGEMENT for DMI-Plugin.
- ncmp-dmi-plugin

Issue-ID: CPS-728
Signed-off-by: DylanB95EST <dylan.byrne@est.tech>
Change-Id: Ibf593047e88e2b2ae747603fcce02cded2265f5d
1 file changed