Nornir-netmiko

- Remove TextFSM dependency pinning
- Fix CI-CD issues
- Remove PY3.7 Support

- Fix broken CI-CD
- Update Release Number to 1.0.0 (so no longer on zero-dot release)

- Require Netmiko Version 4.X
- New task plugin for send_multiline
- Some updates to GitHub Actions

- Ensure config mode is properly exited at the end of a netmiko_commit operation
- Raise a ValueError exception if dry_run=True is passed to netmiko_send_config
- Setup GitHub Actions for Linting
- Update Poetry Dependencies
- Support disabling of enable() call in netmiko_send_config

Initial Release