Update complete_flow.yml

Author: soringumeni1

.github/workflows/complete_flow.yml

@@ -31,17 +31,18 @@ jobs:
       - name: Check for version changes
         id: check-versions
         run: |
-          changed_matrix=[]
-          echo ${{ steps.get-versions.outputs.matrix }} | jq -c '.[]' | while read -r service_version; do
+          matrix=${{ steps.get-versions.outputs.matrix }}
+          changed_matrix="[]"
+          echo $matrix | jq -c '.[]' | while read -r service_version; do
             service=$(echo "$service_version" | jq -r '.service')
             current_version=$(echo "$service_version" | jq -r '.version')
             previous_version=$(git show ${{ steps.previous_commit.outputs.commit_hash }}:versions.json | jq -r --arg service "$service" '.[$service]')
             
             if [[ "$current_version" != "$previous_version" ]]; then
-              changed_matrix=$(echo "$changed_matrix" | jq --arg service "$service" --arg version "$current_version" '. += [{"service": $service, "version": $version}]')
+              changed_matrix=$(echo "$changed_matrix" | jq --arg service "$service" --arg version "$current_version" '. + [{"service": $service, "version": $version}]')
             fi
           done
-          echo "::set-output name=changed_matrix::${changed_matrix}"
+          echo "::set-output name=changed_matrix::$changed_matrix"
 
       - name: Log changed matrix
         run: |