Update autofill to 12.1.0 (#4810)

Task/Issue URL:
https://app.asana.com/0/1207920271697429/1207920271697429
Autofill Release:
https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/12.1.0


## Description
Updates Autofill to version
[12.1.0](https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/12.1.0).

### Autofill 12.1.0 release notes
## What's Changed
* [Form] Skip autofilling select input if it was changed already by
@dbajpeyi in duckduckgo/duckduckgo-autofill#580
* scanner: discard Form instances with no classified inputs by @sjbarag
in duckduckgo/duckduckgo-autofill#574
* [Credentials] Autofill when elements are in shadow by @dbajpeyi in
duckduckgo/duckduckgo-autofill#592
* Update password-related json files (2024-07-19) by @daxmobile in
duckduckgo/duckduckgo-autofill#607
* [Scanner] Don't stop scanner fully on max forms by @dbajpeyi in
duckduckgo/duckduckgo-autofill#617
* tests: remove spurious logging from unit tests by @sjbarag in
duckduckgo/duckduckgo-autofill#575
* Add credit card test form failure by @GioSensation in
duckduckgo/duckduckgo-autofill#588

## New Contributors
* @dbajpeyi made their first contribution in
duckduckgo/duckduckgo-autofill#580

**Full Changelog**:
duckduckgo/duckduckgo-autofill@12.0.1...12.1.0

## Steps to test
This release has been tested during autofill development. For smoke test
steps see [this
task](https://app.asana.com/0/1198964220583541/1200583647142330/f).

Co-authored-by: GioSensation <[email protected]>