build: no longer fail build when upload to Codecov fails

Author: pigulla

.github/workflows/build-and-test.yml

@@ -11,7 +11,7 @@ jobs:
 
             - uses: actions/setup-node@v1
               with:
-                  node-version: 18
+                  node-version: 20
 
             - run: npm i -g npm@9 --registry=https://registry.npmjs.org
             - run: npm ci
@@ -21,5 +21,5 @@ jobs:
             - uses: codecov/codecov-action@v3
               with:
                   files: ./coverage/lcov.info
-                  fail_ci_if_error: true
+                  fail_ci_if_error: false
                   verbose: true