Update keycloak-install.sh

openjdk 17
closes https://github.com/tteck/Proxmox/issues/1618

install/keycloak-install.sh

@@ -17,7 +17,8 @@ msg_info "Installing Dependencies (Patience)"
 $STD apt-get install -y curl
 $STD apt-get install -y sudo
 $STD apt-get install -y mc
-$STD apt-get install -y openjdk-11-jdk
+$STD apt-get install -y ca-certificates-java
+$STD apt-get install -y openjdk-17-jre-headless
 msg_ok "Installed Dependencies"
 
 RELEASE=$(curl -s https://api.github.com/repos/keycloak/keycloak/releases/latest | grep "tag_name" | awk '{print substr($2, 2, length($2)-3) }')