Updated dev-extras to ubuntu:18.04
@@ -312,7 +312,7 @@ WORKDIR /
# the build tools for building collectd and the go agent, along with some other
# useful utilities. The agent image is copied from the final-image stage to
# the /bundle dir in here and the SIGNALFX_BUNDLE_DIR is set to point to that.
-FROM ubuntu:16.04 as dev-extras
+FROM ubuntu:18.04 as dev-extras
RUN apt update &&\
apt install -y \
