Update dependency itzg/mc-server-runner to v1.15.0 (#648)

Author: renovate[bot]

Dockerfile

@@ -43,7 +43,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 # renovate: datasource=github-releases packageName=itzg/mc-server-runner
-ARG MC_SERVER_RUNNER_VERSION=1.14.8
+ARG MC_SERVER_RUNNER_VERSION=1.15.0
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${MC_SERVER_RUNNER_VERSION} --var app=mc-server-runner --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz