Merge pull request #223 from olafurpg/ttl0

Add `--ttl 0` flag in auto-indexing image to always pick up latest is lsif-java

Author: olafurpg

auto-indexing/Dockerfile

@@ -4,4 +4,4 @@ RUN apt-get install --yes maven npm
 RUN curl -fLo /coursier https://git.io/coursier-cli
 RUN chmod +x /coursier
 RUN apt-get install --yes yarn
-RUN /coursier launch --contrib lsif-java -- --help
+RUN /coursier launch --contrib --ttl 0 lsif-java -- --help