refactor: apply project style guidelines

source/ast/renderer/renderer.test.hon

@@ -14,7 +14,7 @@ renders_semantic_debug_view test {
         .constant,
         value,
     )
-    declarations [1]ast.NodeId := [declaration]
+    declarations [1]ast.NodeId :: [declaration]
     package :: try ast.add_package(&builder, ast.Span{ start = 0, end = 11 }, declarations[..])
     tree := ast.finish(&builder, package)
     defer ast.deinit(&tree)