Change jdk version to 11

mode/grid/selenium-grid-docker.sh

@@ -30,7 +30,7 @@ apt-get install -y \
                          wget \
                          unzip \
                          maven \
-                         openjdk-8-jdk
+                         openjdk-11-jdk
 # Docker
 curl -fsSL https://get.docker.com -o get-docker.sh
 sh get-docker.sh

tools/jibri-resolution-enhancer.sh

@@ -63,7 +63,7 @@ fi
 apt-get -y install devscripts \
                    git \
                    maven \
-                   openjdk-8-jdk
+                   openjdk-11-jdk
 
 #Build repository
 git clone https://github.com/jitsi/jibri "$JIBRI_ENH_PATH"