ci: allow coverage upload to fail

Otherwise, PRs from (community) forks will never have green CI. In my
opinion we can tolerate having no coverage info from the occasional
community contributor as long as the tests are successful.

Signed-off-by: Richard Steinmetz <[email protected]>

Author: st3iny

.github/workflows/npm-test.yml

@@ -37,7 +37,7 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage/coverage-final.json
           flags: javascript
-          fail_ci_if_error: true
+          fail_ci_if_error: ${{ !github.event.pull_request.head.repo.fork }}
 
   summary:
     runs-on: ubuntu-latest

.github/workflows/php-test.yml

@@ -50,7 +50,7 @@ jobs:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: nextcloud/apps/calendar/clover.unit.xml
         flags: php
-        fail_ci_if_error: true
+        fail_ci_if_error: ${{ !github.event.pull_request.head.repo.fork }}
         verbose: true
 
   integration-tests: