build(deps): bump yaml-language-server in /org.eclipse.wildwebdeveloper

Bumps [yaml-language-server](https://github.com/redhat-developer/yaml-language-server) from 1.20.0 to 1.21.0.
- [Changelog](https://github.com/redhat-developer/yaml-language-server/blob/main/CHANGELOG.md)
- [Commits](redhat-developer/yaml-language-server@1.20.0...1.21.0)

---
updated-dependencies:
- dependency-name: yaml-language-server
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

org.eclipse.wildwebdeveloper/package.json

@@ -7,7 +7,7 @@
     "typescript-language-server": "5.1.3",
     "typescript-lit-html-plugin": "0.9.0",
     "typescript-plugin-css-modules": "5.2.0",
-    "yaml-language-server": "1.20.0",
+    "yaml-language-server": "1.21.0",
     "vscode-css-languageservice": "6.3.10",
     "vscode-html-languageservice": "5.6.2",
     "vscode-json-languageservice": "5.7.2",