try job level continue-on-error

.github/workflows/main.yml

@@ -155,6 +155,7 @@ jobs:
 
   job_gocoverage_textfmt:
     name: Convert coverage (bin->txt)
+    continue-on-error: true # the merge might fail if unit ran with a different covermode than integration
     needs: [job_go_test, job_compose_test]
     runs-on: ubuntu-latest
     steps:
@@ -166,7 +167,6 @@ jobs:
           go-version: '1.20'
           cache: false
       - name: Convert gocoverage format
-        continue-on-error: true # the merge might fail if unit ran with a different covermode than integration
         run: |
           go tool covdata textfmt -i=gocoverage-unit@${{ env.SHA }}/ \
                                   -o gocoverage-unit@${{ env.SHA }}.txt