Updated README.md for DNSCrypt 2.1.5

Author: xtr0py

README.md

@@ -5,13 +5,12 @@
 This is a Docker image containing [DNSCrypt Proxy 2.x](https://github.com/jedisct1/dnscrypt-proxy). You can use this to set up a DNS proxy on your local network which resolves queries using DNSCrypt or DNS-over-HTTPS (DoH) rather than sending plaintext DNS queries over the Internet.
 
 This image comes with a configuration which:
-- [x] updated DNScrypt-proxy 2.1.2 
+- [x] updated DNScrypt-proxy 2.1.5 
 - [x] Looks up queries via DNS-over-HTTPS (DoH) and DNSCrypt
 - [x] Use only DNSSEC, no logging, no filtering servers
 - [x] Listens on all interfaces
 - [x] Excludes Cloudflare, Google, and Yandex servers
 - [x] Uses public-resolvers v3
-- [x] "unstable" branch removed will use "testing" for future development