Bump tailwindcss from 4.1.15 to 4.1.16 in /webapp

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 4.1.15 to 4.1.16.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.16/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.1.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

webapp/package.json

@@ -50,7 +50,7 @@
     "semver": "^7.7.3",
     "source-map-loader": "^5.0.0",
     "style-loader": "^4.0.0",
-    "tailwindcss": "^4.1.15",
+    "tailwindcss": "^4.1.16",
     "terser-webpack-plugin": "^5.3.14",
     "ts-node": "^10.9.2",
     "typescript": "^5.9.3",

webapp/yarn.lock

@@ -9876,10 +9876,10 @@ synckit@^0.9.1:
     "@pkgr/core" "^0.1.0"
     tslib "^2.6.2"
 
-tailwindcss@^4.1.15:
-  version "4.1.15"
-  resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-4.1.15.tgz#1437ee75ed8f66d8d866da5e25daa38d06ce5cea"
-  integrity sha512-k2WLnWkYFkdpRv+Oby3EBXIyQC8/s1HOFMBUViwtAh6Z5uAozeUSMQlIsn/c6Q2iJzqG6aJT3wdPaRNj70iYxQ==
+tailwindcss@^4.1.16:
+  version "4.1.16"
+  resolved "https://registry.yarnpkg.com/tailwindcss/-/tailwindcss-4.1.16.tgz#c32179f98725eb551e5c1189813a3db437ad5a7f"
+  integrity sha512-pONL5awpaQX4LN5eiv7moSiSPd/DLDzKVRJz8Q9PgzmAdd1R4307GQS2ZpfiN7ZmekdQrfhZZiSE5jkLR4WNaA==
 
 tapable@^1.0.0:
   version "1.1.3"