Upgrade Java 13 version in CI image

Closes gh-18149

Author: snicoll

ci/images/get-jdk-url.sh

@@ -12,7 +12,7 @@ case "$1" in
 		 echo "https://github.com/AdoptOpenJDK/openjdk12-binaries/releases/download/jdk-12.0.2%2B10/OpenJDK12U-jdk_x64_linux_hotspot_12.0.2_10.tar.gz"
 	;;
 	java13)
-		 echo "https://github.com/AdoptOpenJDK/openjdk13-binaries/releases/download/jdk13u-2019-08-20-18-50/OpenJDK13U-jdk_x64_linux_hotspot_2019-08-20-18-50.tar.gz"
+		 echo "https://github.com/AdoptOpenJDK/openjdk13-binaries/releases/download/jdk13u-2019-09-03-11-49/OpenJDK13U-jdk_x64_linux_hotspot_2019-09-03-11-49.tar.gz"
 	;;
   *)
 		echo $"Unknown java version"