Treat ESLint warnings as errors in all packages

Add --max-warnings 0 to every eslint lint script so that any warning
causes a non-zero exit code. This makes `make lint` and CI fail on
warnings, not just hard errors.

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

apps/trust/package.json

@@ -7,7 +7,7 @@
     "dev": "vite --port 5174",
     "relay": "find src -type d -name \"__generated__\" -exec rm -rf {} + && npx relay-compiler ./relay.config.json",
     "build": "tsc -b && vite build",
-    "lint": "eslint . --concurrency 2",
+    "lint": "eslint . --concurrency 2 --max-warnings 0",
     "check": "tsc --noEmit -p tsconfig.app.json",
     "preview": "vite preview"
   },