Don't exit script on error

Update CI scripts so that command failures do not cause an immediate
exit. Prior to this commit, some of our looping logic would never run
because the entire script would exit.

ci/scripts/detect-jdk-updates.sh

 #!/bin/bash
-set -e
 
 case "$JDK_VERSION" in
 	java8)

ci/scripts/promote.sh

 #!/bin/bash
-set -e
 
 source $(dirname $0)/common.sh
 
@@ -31,7 +30,7 @@ curl \
 	-f \
 	-X \
 	POST "${ARTIFACTORY_SERVER}/api/build/promote/${buildName}/${buildNumber}" > /dev/null || {
-		result=$( curl -s -u ${ARTIFACTORY_USERNAME}:${ARTIFACTORY_PASSWORD}  -f  "${ARTIFACTORY_SERVER}/api/build/${buildName}/${buildNumber}" )
+		result=$( curl -s -f -u ${ARTIFACTORY_USERNAME}:${ARTIFACTORY_PASSWORD} "${ARTIFACTORY_SERVER}/api/build/${buildName}/${buildNumber}" )
 		resultRepo=$( echo $result | jq -r '.buildInfo.statuses[0].repository' )
 		if [[ $resultRepo = "libs-release-local" ]]; then
 			echo "Already promoted"

ci/scripts/sync-to-maven-central.sh

 #!/bin/bash
-set -e
 
 buildName=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.name' )
 buildNumber=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.number' )