Update JDK 14 CI image to use 14.0.2_12

Closes gh-22356

ci/images/get-jdk-url.sh

@@ -9,7 +9,7 @@ case "$1" in
 		 echo "https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/download/jdk-11.0.8%2B10/OpenJDK11U-jdk_x64_linux_hotspot_11.0.8_10.tar.gz"
 	;;
 	java14)
-		 echo "https://github.com/AdoptOpenJDK/openjdk14-binaries/releases/download/jdk-14.0.1%2B7/OpenJDK14U-jdk_x64_linux_hotspot_14.0.1_7.tar.gz"
+		 echo "https://github.com/AdoptOpenJDK/openjdk14-binaries/releases/download/jdk-14.0.2%2B12/OpenJDK14U-jdk_x64_linux_hotspot_14.0.2_12.tar.gz"
 	;;
 	java15)
 		 echo "https://github.com/AdoptOpenJDK/openjdk15-binaries/releases/download/jdk15-2020-07-15-08-59/OpenJDK15-jdk_x64_linux_hotspot_2020-07-15-08-59.tar.gz"