Upgrade Java 8 CI image to 1.8.0_202-b08

Closes gh-15813

Author: wilkinsona

ci/images/setup.sh

@@ -18,7 +18,7 @@ curl https://raw.githubusercontent.com/spring-io/concourse-java-scripts/v0.0.2/c
 
 case "$1" in
 	java8)
-		 JDK_URL=https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u192-b12/OpenJDK8U-jdk_x64_linux_hotspot_8u192b12.tar.gz
+		 JDK_URL=https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u202-b08/OpenJDK8U-jdk_x64_linux_hotspot_8u202b08.tar.gz
 	;;
 	java9)
 		 JDK_URL=https://github.com/AdoptOpenJDK/openjdk9-binaries/releases/download/jdk-9.0.4%2B11/OpenJDK9U-jdk_x64_linux_hotspot_9.0.4_11.tar.gz