Include type in error message

Author: mbg

lib/init-action.js

@@ -217,7 +217,7 @@ test.serial(
       ),
       {
         message:
-          /Unexpected value for repository property 'github-codeql-extra-queries', got: 123/,
+          /Unexpected value for repository property 'github-codeql-extra-queries' \(number\), got: 123/,
       },
     );
   },

src/feature-flags/properties.test.ts

@@ -172,7 +172,7 @@ function setProperty<K extends RepositoryPropertyName>(
     properties[name] = propertyOptions.parse(name, value, logger);
   } else {
     throw new Error(
-      `Unexpected value for repository property '${name}', got: ${JSON.stringify(value)}`,
+      `Unexpected value for repository property '${name}' (${typeof value}), got: ${JSON.stringify(value)}`,
     );
   }
 }