chore: Migrate ESLint and prettier to Biome (#3634)

* Migrate eslint and prettier to biomejs

This does NOT include examples/bigbot as it has its own formatter

* Update to biome 1.8.0

* Readd dotenv dev dependency to rest

During a merge it got lost

packages/tsconfig/package.json

@@ -2,8 +2,5 @@
   "name": "tsconfig",
   "version": "0.0.0",
   "private": true,
-  "files": [
-    "base.json",
-    "test.json"
-  ]
+  "files": ["base.json", "test.json"]
 }

packages/tsconfig/test.json

@@ -6,7 +6,7 @@
     "incremental": false,
     "tsBuildInfoFile": null,
     "rootDir": null,
-    "outDir": null,
+    "outDir": null
   },
-  "include": ["${configDir}"],
+  "include": ["${configDir}"]
 }