Use consolidation/self-update

Author: mglaman

composer.json

@@ -6,13 +6,13 @@
         "ext-dom": "*",
         "ext-json": "*",
         "composer-runtime-api": "^2.0.0",
+        "consolidation/self-update": "^2.0",
         "dg/rss-php": "^1.2",
         "doctrine/cache": "^1.6",
         "guzzlehttp/guzzle": "^6.1 || ^7.3",
         "jolicode/jolinotif": "^2.3",
         "kevinrob/guzzle-cache-middleware": "^3.4",
         "klaussilveira/gitter": "^0.3.0",
-        "padraic/phar-updater": "^1.0",
         "psr/log": "^1.0",
         "symfony/cache": "^5.3",
         "symfony/console": "^3.0 || ^4.0",