Run ESLint in CI

Author: ncamera

packages/mercury/package.json

@@ -63,7 +63,7 @@
     "watch.scss.mac": "chokidar 'src/**/*.scss' '../common/**/*.scss' -c \"npm run build.scss\"",
     "copy-tasks": "node copy-tasks.js",
     "coverage": "yarn playwright install && vitest watch run --coverage",
-    "validate.ci": "yarn build-no-svg && yarn test",
+    "validate.ci": "yarn lint && yarn build-no-svg && yarn test",
     "lint": "eslint src/**/*.ts --fix",
     "test": "yarn playwright install && vitest",
     "test.watch": "yarn playwright install && vitest watch"