Renovate: Add Slate and related packages to ignore list (#87250)

refactor: add Slate and related dependencies to ignore section

.github/renovate.json5

@@ -11,6 +11,10 @@
     "monaco-editor", // due to us exposing this via @grafana/ui/CodeEditor's props bumping can break plugins
     "@fingerprintjs/fingerprintjs", // we don't want to bump to v4 due to licensing changes
     "@swc/core", // versions ~1.4.5 contain multiple bugs related to baseUrl resolution breaking builds.
+    "slate", // we don't want to continue using this on the long run, use Monaco editor instead of Slate
+    "slate-react", // we don't want to continue using this on the long run, use Monaco editor instead of Slate
+    "@types/slate-react", // we don't want to continue using this on the long run, use Monaco editor instead of Slate
+    "@types/slate" // we don't want to continue using this on the long run, use Monaco editor instead of Slate
   ],
   "includePaths": ["package.json", "packages/**", "public/app/plugins/**"],
   "ignorePaths": ["emails/**", "plugins-bundled/**", "**/mocks/**"],