Rebuild "credhub-enabled-app.jar"

* required because of update to org.springframework.boot to 4.0.0: #1755

Author: jochenehret

assets/credhub-enabled-app/build.gradle

@@ -15,8 +15,8 @@ repositories {
     mavenCentral()
 }
 
-
-jar {
+tasks.named('bootJar') {
     archiveBaseName = 'credhub-enabled-app'
+    archiveClassifier = ''
     destinationDirectory = file("$rootDir")
 }