Dockerfile in elastic-apm-4.5.0

- old
+ new

@@ -3,10 +3,10 @@
 RUN apt-get update \
     && apt-get install -y libc6-dev git tcc curl netbase --no-install-recommends \
     && apt-get install -y gcc \
     && rm -rf /var/lib/apt/lists/*
 
-ENV JRUBY_VERSION 9.2.10.0
+ENV JRUBY_VERSION 9.3.1.0
 ENV JRUBY_SHA256 9199707712c683c525252ccb1de5cb8e75f53b790c5b57a18f6367039ec79553
 
 RUN mkdir -p /opt/jruby \
     && curl -fSL https://repo1.maven.org/maven2/org/jruby/jruby-dist/${JRUBY_VERSION}/jruby-dist-${JRUBY_VERSION}-bin.tar.gz -o /tmp/jruby.tar.gz \
     && echo "$JRUBY_SHA256 */tmp/jruby.tar.gz" | sha256sum -c - \