[release/1.1] Update regex to 1.5.5 (#6200)

Contains mitigations for CVE-2022-24713.

https://www.whitesourcesoftware.com/vulnerability-database/CVE-2022-24713

## Azure IoT Edge PR checklist:

This checklist is used to make sure that common guidelines for a pull request are followed.

### General Guidelines and Best Practices
- [x] I have read the [contribution guidelines](https://github.com/azure/iotedge#contributing).
- [x] Title of the pull request is clear and informative.
- [x] Description of the pull request includes a concise summary of the enhancement or bug fix.

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.
- Description of the pull request includes 
	- [ ] concise summary of tests added/modified
	- [ ] local testing done.

Author: onalante-msft