Upgrade to Concourse Release Scripts 0.3.4

Closes gh-815

Author: wilkinsona

ci/images/setup.sh

@@ -14,8 +14,6 @@ rm -rf /var/lib/apt/lists/*
 
 curl https://raw.githubusercontent.com/spring-io/concourse-java-scripts/v0.0.4/concourse-java.sh > /opt/concourse-java.sh
 
-curl --output /opt/concourse-release-scripts.jar https://repo.spring.io/release/io/spring/concourse/releasescripts/concourse-release-scripts/0.3.2/concourse-release-scripts-0.3.2.jar
-
 ###########################################################
 # JAVA
 ###########################################################

ci/tasks/promote.yml

@@ -1,5 +1,10 @@
 ---
 platform: linux
+image_resource:
+  type: registry-image
+  source:
+    repository: springio/concourse-release-scripts
+    tag: '0.3.4'
 inputs:
 - name: git-repo
 - name: artifactory-repo