Upgrade selenium/base openjdk-8-jre-headless to openjdk-11-jre-headle…

…ss (#1278)

Co-authored-by: Diego Molina <diemol@users.noreply.github.com>

Base/Dockerfile

@@ -20,7 +20,7 @@ RUN apt-get -qqy update \
   && apt-get -qqy --no-install-recommends install \
     bzip2 \
     ca-certificates \
-    openjdk-8-jre-headless \
+    openjdk-11-jre-headless \
     tzdata \
     sudo \
     unzip \
@@ -30,7 +30,7 @@ RUN apt-get -qqy update \
     supervisor \
     gnupg2 \
   && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
-  && sed -i 's/securerandom\.source=file:\/dev\/random/securerandom\.source=file:\/dev\/urandom/' ./usr/lib/jvm/java-8-openjdk-amd64/jre/lib/security/java.security
+  && sed -i 's/securerandom\.source=file:\/dev\/random/securerandom\.source=file:\/dev\/urandom/' ./usr/lib/jvm/java-11-openjdk-amd64/conf/security/java.security
 
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 # Timezone settings