Updated murmur to 1.3.3

Dockerfile

@@ -4,8 +4,8 @@
 FROM alpine:3.11 AS downloader
 LABEL maintainer="Drew Short <warrick@sothr.com>"
 
-ARG MUMBLE_VERSION=1.3.0
-ARG MUMBLE_SHA256=bda9dc3abe70e8dc820cc91aa33c4087b05001ab7995d039311b3396b7291609
+ARG MUMBLE_VERSION=1.3.3
+ARG MUMBLE_SHA256=5bd9437a80d6f0d84e8c64de71fcf2a80a40c52b85d4eb7461cff69320e7a39c
 ARG BZIP_URL=https://github.com/mumble-voip/mumble/releases/download/${MUMBLE_VERSION}/murmur-static_x86-${MUMBLE_VERSION}.tar.bz2
 
 WORKDIR /tmp