ci: report fails from test coverage on main only

Author: xenOs76

.github/workflows/codeChecks.yml

@@ -84,7 +84,7 @@ jobs:
         run: go test ./... -coverprofile=./cover.out -covermode=atomic -coverpkg=./...
 
       - name: check test coverage
-        continue-on-error: true
+        continue-on-error: ${{ github.ref_name != 'main' }}
         uses: vladopajic/go-test-coverage@v2
         with:
           config: ./.testcoverage.yml