Make hadolint happy

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

Author: fab-10

docker/openjdk-latest/Dockerfile

@@ -3,7 +3,7 @@ FROM ubuntu:rolling
 ARG VERSION="dev"
 
 RUN apt-get update && \
- apt-get install --no-install-recommends -q --assume-yes openjdk-21-jre-headless libjemalloc-dev adduser && \
+ apt-get install --no-install-recommends -q --assume-yes openjdk-21-jre-headless=21* libjemalloc-dev=5.* adduser=3* && \
  apt-get clean  && \
  rm -rf /var/lib/apt/lists/*  && \
  adduser --disabled-password --gecos "" --home /opt/besu besu && \