Allow warning in pod push

Author: SzymonMrozek

Makefile

@@ -108,7 +108,7 @@ generate-podspec:	## Generate podspec file
 	@echo "$$PODSPEC_CONTENTS" > Fibs.podspec.json
 
 release-cocoapods:	## Release new version to cocoapods repo
-	bundle exec pod trunk push
+	bundle exec pod trunk push --allow-warnings
 
 help:    ## This help message
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'