Bump @hpcc-js/wasm-graphviz in /extensions/ql-vscode

Bumps [@hpcc-js/wasm-graphviz](https://github.com/hpcc-systems/hpcc-js-wasm) from 1.22.0 to 1.28.0.
- [Release notes](https://github.com/hpcc-systems/hpcc-js-wasm/releases)
- [Changelog](https://github.com/hpcc-systems/hpcc-js-wasm/blob/main/CHANGELOG.md)
- [Commits](hpcc-systems/hpcc-js-wasm@wasm-graphviz-v1.22.0...wasm-graphviz-v1.28.0)

---
updated-dependencies:
- dependency-name: "@hpcc-js/wasm-graphviz"
  dependency-version: 1.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

extensions/ql-vscode/package-lock.json

@@ -2069,7 +2069,7 @@
   },
   "dependencies": {
     "@floating-ui/react": "^0.27.19",
-    "@hpcc-js/wasm-graphviz": "^1.22.0",
+    "@hpcc-js/wasm-graphviz": "^1.28.0",
     "@octokit/plugin-retry": "^8.1.1",
     "@octokit/plugin-throttling": "^11.0.5",
     "@octokit/rest": "^22.0.1",