Allow CI failures of sentry/sentry dev-develop

.travis.yml

@@ -31,8 +31,6 @@ jobs:
         - composer remove --dev friendsofphp/php-cs-fixer phpstan/phpstan --no-update
         - travis_retry travis_wait composer install --no-interaction --prefer-dist
         - travis_retry travis_wait composer update --no-interaction --prefer-dist --prefer-stable --prefer-lowest
-    - name: sentry/sentry dev-develop
-      install: composer require sentry/sentry:dev-develop
     - stage: Code style and static analysis
       script:
         - composer phpstan
@@ -45,6 +43,10 @@ jobs:
         - phpdbg -qrr vendor/bin/phpunit --coverage-clover clover.xml
       after_success:
         - vendor/bin/ocular code-coverage:upload --format=php-clover clover.xml --revision=$TRAVIS_COMMIT
+  allow_failures:
+    - name: sentry/sentry dev-develop
+      stage: Test
+      install: composer require sentry/sentry:dev-develop
 
 notifications:
   webhooks: