feedback: use uri() instead of uri property setter

Author: jdaugherty

build.gradle

@@ -260,7 +260,7 @@ subprojects { subproject ->
                                     uri('https://repo.grails.org/grails/plugins3-snapshots-local') :
                                     uri('https://repo.grails.org/grails/libs-snapshots-local')
                         } else {
-                            url 'https://maven.pkg.github.com/grails/grails-core'
+                            url('https://maven.pkg.github.com/grails/grails-core')
                         }
                     }
                 }