Update autofill to 16.1.0 (#5407)

Task/Issue URL:
https://app.asana.com/0/1209009001482464/1209009001482464
Autofill Release:
https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/16.1.0


## Description
Updates Autofill to version
[16.1.0](https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/16.1.0).

### Autofill 16.1.0 release notes
## What's Changed
* [DeviceInterface] Call closeautofillparent only after openManage calls
by @dbajpeyi in
duckduckgo/duckduckgo-autofill#718
* [CredentialsImport] Call credentials flow call first, and then close
parent by @dbajpeyi in
duckduckgo/duckduckgo-autofill#723
* [FeatureToggle] Add new autofill config for partial save trigger by
@dbajpeyi in duckduckgo/duckduckgo-autofill#724


**Full Changelog**:
duckduckgo/duckduckgo-autofill@16.0.0...16.1.0

## 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: dbajpeyi <[email protected]>