Bump node-opcua from 2.125.0 to 2.126.0

Bumps [node-opcua](https://github.com/node-opcua/node-opcua) from 2.125.0 to 2.126.0.
- [Release notes](https://github.com/node-opcua/node-opcua/releases)
- [Changelog](https://github.com/node-opcua/node-opcua/blob/master/RELEASE_NOTES.md)
- [Commits](node-opcua/node-opcua@v2.125.0...v2.126.0)

---
updated-dependencies:
- dependency-name: node-opcua
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>