Upgrading server dependancies (#6215)

vendor/github.com/xenolf/lego/cli.go

@@ -205,7 +205,7 @@ Here is an example bash command using the CloudFlare DNS provider:
 	fmt.Fprintln(w, "\tauroradns:\tAURORA_USER_ID, AURORA_KEY, AURORA_ENDPOINT")
 	fmt.Fprintln(w, "\tcloudflare:\tCLOUDFLARE_EMAIL, CLOUDFLARE_API_KEY")
 	fmt.Fprintln(w, "\tdigitalocean:\tDO_AUTH_TOKEN")
-	fmt.Fprintln(w, "\tdnsimple:\tDNSIMPLE_EMAIL, DNSIMPLE_API_KEY")
+	fmt.Fprintln(w, "\tdnsimple:\tDNSIMPLE_EMAIL, DNSIMPLE_OAUTH_TOKEN")
 	fmt.Fprintln(w, "\tdnsmadeeasy:\tDNSMADEEASY_API_KEY, DNSMADEEASY_API_SECRET")
 	fmt.Fprintln(w, "\texoscale:\tEXOSCALE_API_KEY, EXOSCALE_API_SECRET, EXOSCALE_ENDPOINT")
 	fmt.Fprintln(w, "\tgandi:\tGANDI_API_KEY")