fix: uci.yml defaults

Author: galargh

templates/.github/uci.yml

@@ -3,4 +3,4 @@
 # For more information, see https://github.com/ipdxco/unified-github-workflows
 
 # The Unified CI templates which should be distributed to your project.
-files: ${{{ .github.workflows - (.source.workflows - .github.workflows) }}}
+files: ${{{ .github.workflows - (.github.workflows - .source.workflows) }}}