deps: upgrade mc-monitor to 0.15.0 (#474)

Author: itzg

Dockerfile

@@ -37,7 +37,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${RESTIFY_VERSION} --var app=restify --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_MONITOR_VERSION=0.14.1
+ARG MC_MONITOR_VERSION=0.15.0
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${MC_MONITOR_VERSION} --var app=mc-monitor --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz