Use credentials when checking for milestones

ci/scripts/detect-jdk-updates.sh

@@ -43,7 +43,7 @@ if [[ $current = $latest ]]; then
 	exit 0;
 fi
 
-milestone_response=$( curl -s https://api.github.com/repos/${GITHUB_ORGANIZATION}/${GITHUB_REPO}/milestones\?state\=open )
+milestone_response=$( curl -s -u ${GITHUB_USERNAME}:${GITHUB_PASSWORD} https://api.github.com/repos/${GITHUB_ORGANIZATION}/${GITHUB_REPO}/milestones\?state\=open )
 milestone_result=$( jq -r -c --arg MILESTONE "$MILESTONE" '.[] | select(has("title")) | select(.title==$MILESTONE)' <<< "$milestone_response" )
 if [[ ${milestone_result} = "null" || ${milestone_result} = "" ]]; then
 	echo "Could not parse milestone: $milestone_response"