Update mediawiki/mediawiki-phan-config requirement from 0.12.0 to 0.13.0

Updates the requirements on [mediawiki/mediawiki-phan-config](https://github.com/wikimedia/mediawiki-tools-phan) to permit the latest version.
- [Changelog](https://github.com/wikimedia/mediawiki-tools-phan/blob/master/HISTORY.md)
- [Commits](wikimedia/mediawiki-tools-phan@0.12.0...0.13.0)

---
updated-dependencies:
- dependency-name: mediawiki/mediawiki-phan-config
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -3,7 +3,7 @@
   "description": "Sends Discord notifications for selected actions that have occurred in your MediaWiki sites.",
   "require-dev": {
     "mediawiki/mediawiki-codesniffer": "41.0.0",
-    "mediawiki/mediawiki-phan-config": "0.12.0",
+    "mediawiki/mediawiki-phan-config": "0.13.0",
     "mediawiki/minus-x": "1.1.1",
     "php-parallel-lint/php-console-highlighter": "1.0.0",
     "php-parallel-lint/php-parallel-lint": "1.3.2",