Bump xml2js, @vscode/vsce and @azure/core-http in /extensions/ql-vscode

Bumps [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) to 0.5.0 and updates ancestor dependencies [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js), [@vscode/vsce](https://github.com/Microsoft/vsce) and [@azure/core-http](https://github.com/Azure/azure-sdk-for-js). These dependencies need to be updated together.


Updates `xml2js` from 0.4.23 to 0.5.0
- [Commits](https://github.com/Leonidas-from-XIV/node-xml2js/commits/0.5.0)

Updates `@vscode/vsce` from 2.15.0 to 2.19.0
- [Release notes](https://github.com/Microsoft/vsce/releases)
- [Commits](microsoft/vscode-vsce@v2.15.0...v2.19.0)

Updates `@azure/core-http` from 2.2.7 to 2.3.2
- [Release notes](https://github.com/Azure/azure-sdk-for-js/releases)
- [Changelog](https://github.com/Azure/azure-sdk-for-js/blob/main/documentation/Changelog-for-next-generation.md)
- [Commits](https://github.com/Azure/azure-sdk-for-js/compare/@azure/core-http_2.2.7...@azure/core-http_2.3.2)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: indirect
- dependency-name: "@vscode/vsce"
  dependency-type: direct:development
- dependency-name: "@azure/core-http"
  dependency-type: indirect
...

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

Author: dependabot[bot]