Bump prettier from 3.3.3 to 3.4.0 in /demos/moderator (#1278)

Bumps [prettier](https://github.com/prettier/prettier) from 3.3.3 to 3.4.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.3.3...3.4.0)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

demos/moderator/package.json

@@ -41,7 +41,7 @@
     "npm-run-all": "4.1.5",
     "parcel-bundler": "1.12.5",
     "postcss-modules": "3.2.2",
-    "prettier": "3.3.3",
+    "prettier": "3.4.0",
     "prettier-eslint": "16.3.0"
   },
   "snyk": true

demos/moderator/yarn.lock

@@ -11198,10 +11198,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@3.3.3, prettier@^3.0.1:
-  version "3.3.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.3.3.tgz#30c54fe0be0d8d12e6ae61dbb10109ea00d53105"
-  integrity sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==
+prettier@3.4.0, prettier@^3.0.1:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.0.tgz#9dcd5e617cf103db8e4bd00924baecfd32bf9971"
+  integrity sha512-/OXNZcLyWkfo13ofOW5M7SLh+k5pnIs07owXK2teFpnfaOEcycnSy7HQxldaVX1ZP/7Q8oO1eDuQJNwbomQq5Q==
 
 pretty-format@^29.7.0:
   version "29.7.0"