[TASK] Set code coverage job to not block workflow (#1551)

Author: AnReiter

.github/workflows/codecoverage.yml

@@ -59,6 +59,8 @@ jobs:
 
             - name: Upload coverage results to Coveralls
               uses: coverallsapp/github-action@v2
+              with:
+                  fail-on-error: false
               env:
                   github-token: ${{ secrets.GITHUB_TOKEN }}
                   file: coverage.xml