update GRDB from upstream to support xcode 13 (duckduckgo#23)

Updates to BSK following tweaks to Email Pixels (duckduckgo#21)

* Tweaks to EmailStorage - add option to keep last use date in keychain

* Update incorrect method call

Update the Autofill submodule to 3.2.4 (duckduckgo#20)

Update the Autofill submodule to 3.2.2 (duckduckgo#19)

* Remove .DS_Store.

* Update duckduckgo-autofill to version 3.2.2.

Update the Autofill submodule to 3.2.1 (duckduckgo#18)

Filtering URLs for Top Hits section of suggestions (duckduckgo#16)

* Generation of a root URL
* Download URLs and URLs that failed to load are not pushed to Top Hits section
* Fetching of remote suggestions dismissed for non root URLs
* Number of navigational suggestions adjusted
* Matches with query found for full URLs not just hosts
* Autocompletion allowed just for suggestions from history or bookmarks
* Update autofill to 3.2.0

walk up the domain when querying account (duckduckgo#17)

Update Vault DB to support deleting items and storing titles (duckduc…

…kgo#14)

* Add a function for deleting vault account credentials.

* Delete the saved credential directly.

* Test the SecureVault side of deleting an account.

* Clean up a test.

* Change WebsiteAccount.domain from let to var.

* Add a title property to the account.

* return the id from stored website credentials

* make the result of storing credentials discardable and fix tests

* Remove a guard statement that may prevent accounts from being deleted.

* support cascading deletes

* Remove debugging code.

* Test whether IF EXISTS works.

* Only drop the unique account index if it exists.

Co-authored-by: Chris Brind <[email protected]>