[nrf noup] [nrfconnect] Fix release tools workflow

Author: Damian-Nordic

.github/workflows/release_tools.yaml

@@ -47,7 +47,7 @@ jobs:
               with:
                   ref: "${{ github.event.inputs.commit }}"
             - name: Checkout submodules
-              run: scripts/checkout_submodules.py --shallow --platform linux
+              run: scripts/checkout_submodules.py --allow-changing-global-git-config --shallow --platform linux
             - name: Bootstrap
               timeout-minutes: 10
               run: scripts/build/gn_bootstrap.sh