Bump yaml-language-server from 1.17.0 to 1.18.0 in /server (#466)

Bumps [yaml-language-server](https://github.com/redhat-developer/yaml-language-server) from 1.17.0 to 1.18.0.
- [Changelog](https://github.com/redhat-developer/yaml-language-server/blob/main/CHANGELOG.md)
- [Commits](redhat-developer/yaml-language-server@1.17.0...1.18.0)

---
updated-dependencies:
- dependency-name: yaml-language-server
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

server/package-lock.json

@@ -21,7 +21,7 @@
 		"vscode-languageserver-textdocument": "^1.0.12",
 		"vscode-languageserver-types": "^3.17.5",
 		"vscode-uri": "^3.0.8",
-		"yaml-language-server": "^1.15.0"
+		"yaml-language-server": "^1.18.0"
 	},
 	"scripts": {}
 }