Okta-awscli

Fixed
- Error when saving app-link to `.okta-aws` profile. ([148](https://github.com/jmhale/okta-awscli/issues/148))

Added
- Command-line arguments for Okta username and password. ([146](https://github.com/jmhale/okta-awscli/issues/146))
Fixed
- Fix SyntaxWarning on first run
- Thanks to: [jrisebor](https://github.com/jrisebor)
- Catch `InvalidClientTokenId` AWS error when checking for STS token validity.
- Thanks to: [matwhite](https://github.com/matwhite)
- Catch `TypeError` in app-link URL. (143)

Added:
- Support provider/role returning in unexpected order in assertion.
- Allow `profile` to be set from config file in addition to command-line option.
- Thanks to: [jrisebor](https://github.com/jrisebor)

Fixed
- Improved input handling
- Thanks to: [zaltoprofen](https://github.com/zaltoprofen)
- Handling of STS token refresh in AWS GovCloud
- Thanks to: [mrbcmorris](https://github.com/mrbcmorris)

Removed
- Unused session cookies. (111)
- Extraneous logging message for `--force` option.

Added:
- Refresh role with force parameter
- Thanks to: [saurabhjambhule](https://github.com/saurabhjambhule)
- Url validation of `app-link` in config
- Thanks to: [ngfgrant](https://github.com/ngfgrant)
- Lookup support for AWS account aliases
- Thanks to: [gczuczy](https://github.com/gczuczy)

Fixed:
- Refactored base org and per-app MFA logic into separate classes.
- Fixed some debug logging issues.
- General linting and other clean-up.
- `master` branch renamed to `main`.

Added:
- Pipenv support
- Thanks to: [jrisebor](https://github.com/jrisebor)

Fixed:
- Minor typo
- Thanks to: [dx-pbuckley](https://github.com/dx-pbuckley)
- App link handling in MFA flow.
- Thanks to: [iress-james-bowe](https://github.com/iress-james-bowe)
- Handling of missing default profile. (57)
- Thanks to: [jrisebor](https://github.com/jrisebor)