Certbot-dns-duckdns

What's Changed
* Bump actions/checkout from 2 to 3 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/28
* Bump actions/setup-python from 2 to 3 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/29
* Ease up deps for dnspython and requests by osirisinferi in https://github.com/infinityofspace/certbot_dns_duckdns/pull/27
* Bump types-setuptools from 57.0.2 to 57.4.11 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/31
* Bump types-mock from 0.1.5 to 4.0.12 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/35
* Bump googleapis-common-protos from 1.55.0 to 1.56.0 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/40
* Bump twine from 3.3.0 to 3.8.0 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/39
* Bump boto3 from 1.21.20 to 1.21.22 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/38
* Bump invoke from 1.6.0 to 1.7.0 by dependabot in https://github.com/infinityofspace/certbot_dns_duckdns/pull/37
* Drop support for Python 3.6
* Add support for Python 3.10
* updated snap package dependencies
* Add linting wokflow (initially suggested by MaxPeal)

Breaking changes
* dropped support for Python 3.6, make sure you have at least Python 3.7 installed

New Contributors
* osirisinferi made their first contribution in https://github.com/infinityofspace/certbot_dns_duckdns/pull/27

**Full Changelog**: https://github.com/infinityofspace/certbot_dns_duckdns/compare/v0.7.2...v0.8

Fixes:
- fixed dependency issue 23


**Full Changelog**: https://github.com/infinityofspace/certbot_dns_duckdns/compare/v0.7.1...v0.7.2

Fixes:

- fixed missing dependency in docker image and snap package 22

Changes:

- docker image uses certbot version `1.22.0`


**Full Changelog**: https://github.com/infinityofspace/certbot_dns_duckdns/compare/v0.7...v0.7.1

New:
- restore the original TXT record after DNS challenge 21
- new plugin argument `--dns-duckdns-no-txt-restore` to disable restoring original previous TXT record

Changes:
- **by default the previous TXT record will be restored**

**Full Changelog**: https://github.com/infinityofspace/certbot_dns_duckdns/compare/v0.6.1...v0.7

Maintenance release

Changes:
- updated GitHub workflow for docker buildx
- docker image now uses alpine 3.14 as base
- updated certbot version in docker image to 1.16.0

Fixes:
- prevent logging the api token by urllib3

New:
- support for credentials files (special thanks to chaptergy)

Changes:
- **the docker image usage command has been changed, for further information check the [Readme](Readme.mddocker-usage)**