bump version for disable polling feature

Author: quii

Dockerfile

@@ -1,7 +1,7 @@
 FROM alpine:3.9.4
 
 RUN apk add --update wget bash ca-certificates && \
-    wget -O mockingjay-server https://github.com/quii/mockingjay-server/releases/download/1.11.4/linux_amd64_mockingjay-server --no-check-certificate && \
+    wget -O mockingjay-server https://github.com/quii/mockingjay-server/releases/download/1.12.0/linux_amd64_mockingjay-server --no-check-certificate && \
     chmod +x mockingjay-server && \
     apk del wget bash && \
     rm -rf /var/cache/apk/*