Bumping up the K8S_VERSION in backport script to 1.12.7 to address b/129316692
Bumping up the K8S_VERSION in backport script to 1.12.7 to address b/129316692

Change-Id: I2b178a97ed9eb585841ee16eb5de0c5f438f2685
GitOrigin-RevId: 783144682734a146b833e77c2bab957e4642620f

googlecloudrobotics/core,googlecloudrobotics/core,googlecloudrobotics/core