Refine release notes generator CI config

See gh-91

Author: philwebb

ci/scripts/generate-release-notes.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-version=$( cat built-artifact/version )
+version=$( cat version/version )
 
 java -jar /github-release-notes-generator.jar \
   --releasenotes.github.username=${GITHUB_USERNAME} \

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

@@ -16,4 +16,5 @@ echo "Syncing ${buildName}/${buildNumber} to Maven Central"
 			-f \
 			-X \
 			POST "https://api.bintray.com/maven_central_sync/${BINTRAY_SUBJECT}/${BINTRAY_REPO}/${groupId}/versions/${version}" > /dev/null || { echo "Failed to sync" >&2; exit 1; }
-echo "Sync complete"
+echo "Sync complete"
+echo $version > version/version

ci/tasks/generate-release-notes.yml

@@ -7,7 +7,7 @@ image_resource:
     tag: '0.0.2'
 inputs:
 - name: git-repo
-- name: built-artifact
+- name: version
 outputs:
 - name: generated-release-notes
 params:

ci/tasks/sync-to-maven-central.yml

@@ -3,6 +3,8 @@ platform: linux
 inputs:
 - name: git-repo
 - name: artifactory-repo
+outputs:
+- name: version
 params:
   BINTRAY_USERNAME:
   BINTRAY_API_KEY: