Prepare v1.5.2 release

[phenixblue]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind bug
/kind cleanup
/kind deprecation
/kind design
/kind documentation
/kind feature

/kind release

What this PR does / why we need it:

This prepares the v1.5.2 release of the ImageSwap Webhook

Which issue(s) this PR fixes:

Fixes #94

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

This is primarily a maintenance release, but does introduce new MAPS syntax.

The `replace` feature gives the ability to match a pattern explicitly and replace all of it with a provided pattern. [More info here](https://github.com/phenixblue/imageswap-webhook#replace-image-mapping).

### Enhancements

- Bump oauthlib from 3.2.0 to 3.2.1 in /app/imageswap-init (#79)
- Add `replace` feature to maps syntax (#85)
- Bump certifi from 2022.9.14 to 2022.12.7 in /app/imageswap-init (#91)
- Move to `actions/setup-python@v4` in CI (#91)
- Fix detection of `IMAGESWAP_DISABLE_AUTO_MWC` (#88)
- Bump cryptography from 38.0.4 to 39.0.1 in /app/imageswap-init (#92)
- Bump werkzeug from 2.2.2 to 2.2.3 in /app/imageswap (#93)

### Acknowledgements

- Thanks to @dependabot for keeping our Dependencies up to date!
- Thanks to @M4C4R for #85
- Thanks to @howardburgess for #88

Additional documentation e.g., usage docs, etc.:

[ilrudie]

LGTM