Remove version constraint for cloudflare

Resolves #4606

Author: dan1elhughes

global/certbot-dns-plugins.json

@@ -67,7 +67,7 @@
 		"name": "Cloudflare",
 		"package_name": "certbot-dns-cloudflare",
 		"version": "=={{certbot-version}}",
-		"dependencies": "cloudflare==4.0.* acme=={{certbot-version}}",
+		"dependencies": "cloudflare acme=={{certbot-version}}",
 		"credentials": "# Cloudflare API credentials used by Certbot\ndns_cloudflare_email = [email protected]\ndns_cloudflare_api_key = 0123456789abcdef0123456789abcdef01234",
 		"full_plugin_name": "dns-cloudflare"
 	},