ieee802154-openthread-tests: checkout 'master' branch of tock/libtock-c

Author: lschuermann

.github/workflows/ieee802154-openthread-tests.yml

@@ -21,8 +21,8 @@ jobs:
       # Use the current branch for tock-hardware-ci
       tock-hardware-ci-ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
       # Use main branch for tock kernel and libtock-c
-      tock-kernel-ref: 'main'
-      libtock-c-ref: 'main'
+      tock-kernel-ref: 'master'
+      libtock-c-ref: 'master'
       # Multi-board configuration - target specific supervisor with 4 nRF52840dk boards
       multi-board: true
       supervisor-id: 'fb1384d5-e1a5-469c-beb4-0d4d215c9793'