Build(deps-dev): Bump @types/react-dom from 19.1.7 to 19.1.9 in /page

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 19.1.7 to 19.1.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

---
updated-dependencies:
- dependency-name: "@types/react-dom"
  dependency-version: 19.1.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

page/package-lock.json

@@ -48,7 +48,7 @@
         "@eslint/js": "^9.34.0",
         "@types/node": "^24.3.0",
         "@types/react": "^19.1.11",
-        "@types/react-dom": "^19.1.7",
+        "@types/react-dom": "^19.1.9",
         "@types/react-helmet": "^6.1.11",
         "@types/shell-quote": "^1.7.5",
         "@vitejs/plugin-react": "^5.0.1",
@@ -3640,9 +3640,9 @@
       }
     },
     "node_modules/@types/react-dom": {
-      "version": "19.1.7",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.1.7.tgz",
-      "integrity": "sha512-i5ZzwYpqjmrKenzkoLM2Ibzt6mAsM7pxB6BCIouEVVmgiqaMj1TjaK7hnA36hbW5aZv20kx7Lw6hWzPWg0Rurw==",
+      "version": "19.1.9",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.1.9.tgz",
+      "integrity": "sha512-qXRuZaOsAdXKFyOhRBg6Lqqc0yay13vN7KrIg4L7N4aaHN68ma9OK3NE1BoDFgFOTfM7zg+3/8+2n8rLUH3OKQ==",
       "devOptional": true,
       "license": "MIT",
       "peerDependencies": {

page/package.json

@@ -50,7 +50,7 @@
     "@eslint/js": "^9.34.0",
     "@types/node": "^24.3.0",
     "@types/react": "^19.1.11",
-    "@types/react-dom": "^19.1.7",
+    "@types/react-dom": "^19.1.9",
     "@types/react-helmet": "^6.1.11",
     "@types/shell-quote": "^1.7.5",
     "@vitejs/plugin-react": "^5.0.1",