Update autofill to 16.2.1 (#5632)

Task/Issue URL:
https://app.asana.com/0/1209376474235068/1209376474235068
Autofill Release:
https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/16.2.1


## Description
Updates Autofill to version
[16.2.1](https://github.com/duckduckgo/duckduckgo-autofill/releases/tag/16.2.1).

### Autofill 16.2.1 release notes
## What's Changed
* Update password-related json files (2025-01-31) by @daxmobile in
duckduckgo/duckduckgo-autofill#750
* [Logging] Add debug logs for recategorization by @dbajpeyi in
duckduckgo/duckduckgo-autofill#753
* [Formatters] re-add partial save logic behind a feature toggle by
@dbajpeyi in duckduckgo/duckduckgo-autofill#757


**Full Changelog**:
duckduckgo/duckduckgo-autofill@16.2.0...16.2.1

## 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 <3018923+dbajpeyi@users.noreply.github.com>
Co-authored-by: Craig Russell <1336281+CDRussell@users.noreply.github.com>

.maestro/autofill/backfillingUsername/multi_step_registration_username_backfilled_password_manually_entered.yaml

@@ -1,7 +1,7 @@
 appId: com.duckduckgo.mobile.android
 name: "Autofill: Will backfill username in a multi-step registration form with a manually entered password"
 tags:
-    - x
+    - autofillBackfillingUsername
 ---
 # Pre-requisite: Requires app be built with -Pautofill-disable-auth-requirement flag to disable auth requirement
 

.maestro/autofill/backfillingUsername/password_reset_flow_for_existing_credential_manual_password.yaml

@@ -13,9 +13,12 @@ tags:
 
       - runFlow: ../../shared/pre_onboarding.yaml
 
+      # manually add a credential
+      - runFlow: ../steps/manually_add_existing_credential.yaml
+
       # get to autofill login form
       - tapOn:
-          text: "search or type URL"
+          id: "com.duckduckgo.mobile.android:id/omnibarTextInput"
       - inputText: "https://autofill.me/form/login-simple"
       - pressKey: Enter
       - runFlow: ../steps/decline_autofill_prompt.yaml

package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "@duckduckgo/autoconsent": "^12.9.0",
-    "@duckduckgo/autofill": "github:duckduckgo/duckduckgo-autofill#16.2.0",
+    "@duckduckgo/autofill": "github:duckduckgo/duckduckgo-autofill#16.2.1",
     "@duckduckgo/content-scope-scripts": "github:duckduckgo/content-scope-scripts#7.17.0",
     "@duckduckgo/privacy-dashboard": "github:duckduckgo/privacy-dashboard#8.1.0",
     "@duckduckgo/privacy-reference-tests": "github:duckduckgo/privacy-reference-tests#1738159777"