HHH-18861 - Improve GitHub release announcement body for automated releases

Author: sebersole

ci/release/Jenkinsfile

@@ -53,6 +53,9 @@ def checkoutReleaseScripts() {
 	}
 }
 
+File findReleaseNotes() {
+}
+
 // --------------------------------------------
 // Pipeline
 
@@ -148,6 +151,7 @@ pipeline {
 					env.RELEASE_VERSION = releaseVersion.toString()
 					env.DEVELOPMENT_VERSION = developmentVersion.toString()
 
+
                     def notesFiles = findFiles(glob: 'release_notes.md')
                     if ( notesFiles.length < 1 ) {
                         throw new IllegalStateException( "Could not locate `release_notes.md`" )
@@ -156,7 +160,7 @@ pipeline {
                         throw new IllegalStateException( "Located more than 1 `release_notes.md`" )
                     }
 
-                    def notesFile = notesFile[0]
+                    def notesFile = notesFiles[0]
                     if ( !notesFile.exists ) {
                         throw new IllegalStateException( "File `release_notes.md` does not exist" )
                     }