Bump jsrsasign and node-opcua

Bumps [jsrsasign](https://github.com/kjur/jsrsasign) to 11.0.0 and updates ancestor dependency [node-opcua](https://github.com/node-opcua/node-opcua). These dependencies need to be updated together.


Updates `jsrsasign` from 10.9.0 to 11.0.0
- [Release notes](https://github.com/kjur/jsrsasign/releases)
- [Changelog](https://github.com/kjur/jsrsasign/blob/master/ChangeLog.txt)
- [Commits](kjur/jsrsasign@10.9.0...11.0.0)

Updates `node-opcua` from 2.119.2 to 2.120.0
- [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@v2.119.2...v2.120.0)

---
updated-dependencies:
- dependency-name: jsrsasign
  dependency-type: indirect
- dependency-name: node-opcua
  dependency-type: direct:production
...

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