CI: use bash wrapper for setup_renode

Author: hegza

.github/workflows/validate.yml

@@ -49,6 +49,7 @@ jobs:
       with:
         name: $DLA_BIN
     - name: Create Renode peripheral symlinks
+      shell: bash-wrapper {0}
       run: ./scripts/setup_renode.sh -y
     - name: Run example
       run: renode-test scripts/robot/hello_dla.robot --variable BIN:"$(readlink -f $DLA_BIN)"