fix: fixtures/flight/package.json & fixtures/flight/yarn.lock to redu…

…ce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-CROSSSPAWN-8303230
- https://snyk.io/vuln/SNYK-JS-POSTCSS-5926692

fixtures/flight/package.json

@@ -24,7 +24,7 @@
     "css-minimizer-webpack-plugin": "^3.2.0",
     "dotenv": "^10.0.0",
     "dotenv-expand": "^5.1.0",
-    "eslint": "^8.3.0",
+    "eslint": "^9.15.0",
     "eslint-config-react-app": "^7.0.1",
     "eslint-webpack-plugin": "^3.1.1",
     "file-loader": "^6.2.0",
@@ -53,7 +53,7 @@
     "semver": "^7.3.5",
     "source-map-loader": "^3.0.0",
     "style-loader": "^3.3.1",
-    "tailwindcss": "^3.0.2",
+    "tailwindcss": "^3.4.15",
     "terser-webpack-plugin": "^5.2.5",
     "web-vitals": "^2.1.0",
     "webpack": "^5.64.4",