chore: fix syntax error workflow.

Author: mheggelund

.github/workflows/publish.yaml

@@ -56,7 +56,7 @@ jobs:
           echo "Updating NeqSim dependency to version '$NEQSIM_VERSION'"
           
           # Get the current version to use as fallback
-          CURRENT_VERSION=$(grep -o 'version: "[^"]*"' jneqsim/dependencies.yaml | sed 's/version: "\(.*\)"/\1/')
+          CURRENT_VERSION=$(grep -o 'version: "[^"]*"' jneqsim/dependencies.yaml | head -1 | sed 's/version: "\(.*\)"/\1/')
           echo "Current version (will become fallback): '$CURRENT_VERSION'"
           echo "New version: '$NEQSIM_VERSION'"