Update firefox to `112.0` and uBlock `1.48.8`

[trickypr]

Firefox Update

Fixes #202

QA Requirements

• [x] Sidebar

  • [x] The sidebar exists
  • [x] The settings and addons button are visible down the bottom
  • [x] The bookmarks, history and synced tabs icons are in the sidebar
  • [x] The sidebar can be resized properly
  • [x] An installed extension will appear in the sidebar
  • [x] Sidebar-Tabs is Loaded and has a button visible down the bottom
  • [x] Sidebar-Tabs can add a sidebar item to the sidebar
  • [x] Sidebar-Tabs can remove a sidebar item to the sidebar
  • [x] The sidebar keeps tabs active while closed when keep sidebar tabs active is set to true
  • [x] The sidebar overwrites tabs when keep sidebar tabs active is set to false

• [x] Extensions

  • [x] Tabliss is loading correctly
  • [x] Tabliss does not have the webextention symbol in the title bar
  • [x] uBlock origin is loading correctly
  • [x] QRCode generator is loading correctly

• [x] About dialog

  • [x] The new about dialog is present
  • [x] The dialog has not significantly changed

• [x] Pocket

  • [x] Pocket is not present in the browser

• [x] Preferences

  • [x] All tabs in preferences open
  • [x] The "More from {Vendor}" option is not present
  • [x] The sidebar preferences are present and work as expected

• [x] Welcome experience

  • [x] The import button opens the import wizard
  • [x] The theme picker is present and works as expected
  • [x] The search engine picker is present and works as expected

• [x] Pulse theme

  • [x] The tabs appear to be consistent

• [x] Mozilla theme

  • [x] The sidebar tabs are correct

• [x] Useragent

  • [x] The user agent is reporting as Mozilla Firefox

• [x] Are all extensions up to date?

• [x] Has better-fox.js been updated to the relevent version?

  • [x] Have user_prefs been changed to pref?

[trickypr]

@PressJump ping