Update generate-changelog CI task

Author: philwebb

ci/scripts/generate-changelog.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
 set -e
 
-version=$( cat built-artifact/version )
+CONFIG_DIR=git-repo/ci/config
+version=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.modules[0].id' | sed 's/.*:.*:\(.*\)/\1/' )
 
 java -jar /github-changelog-generator.jar \
   --changelog.repository=spring-io/asciidoctor-spring-backend \

ci/tasks/generate-changelog.yml

@@ -7,7 +7,7 @@ image_resource:
     tag: '0.0.5'
 inputs:
 - name: git-repo
-- name: built-artifact
+- name: artifactory-repo
 outputs:
 - name: generated-changelog
 params: