ci: fixes sonar workflow [skip ci]

Author: petruki

.github/workflows/sonar.yml

@@ -50,6 +50,6 @@ jobs:
         if: env.SONAR_TOKEN != ''
         with:
           args: >
-            -Dsonar.pullrequest.key=${{ inputs.pr_id }} \
-            -Dsonar.pullrequest.branch=${{ steps.pr.outputs.head_ref }} \
+            -Dsonar.pullrequest.key=${{ inputs.pr_id }}
+            -Dsonar.pullrequest.branch=${{ steps.pr.outputs.head_ref }}
             -Dsonar.pullrequest.base=${{ steps.pr.outputs.base_ref }}