Update Linux RT Feed to point to new release 2.12.0 #1180
Description
Linux RT needs to be updated to point to the new grpc-device release.
Update the following lines in recipes-ni/ni-grpc-device/ni-grpc-device_git.bb in ni/meta-nilrt
- PV = "2.12.0"
- SRCBRANCH = " main origin/releases/2.12"
- SRCREV_grpc-device = "12e8bd0d4490871cfae04e82f6917844ebf12872"