Update autofill to 8.1.2 (#3450)

Task/Issue URL:
https://app.asana.com/0/1205255555424019/1205255555424019
Autofill Release:
https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/8.1.2


## Description
Updates Autofill to version
[8.1.2](https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/8.1.2).

### Autofill 8.1.2 release notes
## What's Changed
* Ema/fix script naming by @GioSensation in
duckduckgo/duckduckgo-autofill#364
* Minor fixes by @GioSensation in
duckduckgo/duckduckgo-autofill#365
* Send a breakage report flag when autofill is "activated" on the page
by @muodov in duckduckgo/duckduckgo-autofill#363
* Fix extension bugs by @GioSensation in
duckduckgo/duckduckgo-autofill#366
* Add regression test by @GioSensation in
duckduckgo/duckduckgo-autofill#367

## New Contributors
* @muodov made their first contribution in
duckduckgo/duckduckgo-autofill#363

**Full Changelog**:
duckduckgo/duckduckgo-autofill@8.1.1...8.1.2

## 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 <GioSensation@users.noreply.github.com>