Upgrade Java 8 CI image to jdk8u282b08

Closes gh-25019

Author: wilkinsona

ci/images/get-jdk-url.sh

@@ -3,7 +3,7 @@ set -e
 
 case "$1" in
 	java8)
-		 echo "https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u275-b01/OpenJDK8U-jdk_x64_linux_hotspot_8u275b01.tar.gz"
+		 echo "https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u282-b08/OpenJDK8U-jdk_x64_linux_hotspot_8u282b08.tar.gz"
 	;;
 	java11)
 		 echo "https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/download/jdk-11.0.9.1%2B1/OpenJDK11U-jdk_x64_linux_hotspot_11.0.9.1_1.tar.gz"