Update abp-snippets dependency to 0.3.2

Background / User story

Our previous build was rejected by AMO due to the size of the background script. We want to update the extension to use the latest version of abp-snippets to include a fix that addresses that problem.

Dependency changes

• Name: abp-snippets
• New version: 0.3.2 - commit 7ad09122
• Breaking changes: none
• Other changes: we reduced the size of the ML bundle

Integration changes

• Legal: N/A
• Development: None.

Hints for testers

• The background.js file in the extension bundle should be smaller than 4MB.
• Snippets should work the same way as in 3.11.3.