v4.2.0

What's Changed

• fix: build and test mobile API by @Nirajn2311 in #1217
• chore: upgrade flutter packages by @Nirajn2311 in #1220
• feat: enable kvm and use ubuntu for flutter actions by @Nirajn2311 in #1225
• fix: ci grant permission by @Nirajn2311 in #1229
• feat: migrate to official algolia package by @Nirajn2311 in #1228
• feat: replace FA icons by @Nirajn2311 in #1231
• feat: replace fk_user_agent package by @Nirajn2311 in #1232
• fix: display upgrade alert by @Nirajn2311 in #1235
• fix: return type of parseExt from api data by @Nirajn2311 in #1233
• chore: remove http package by @Nirajn2311 in #1248
• feat: flutter 3.19 by @Nirajn2311 in #1244
• fix: YT video fullscreen by @Nirajn2311 in #1256
• chore: organize imports by @Nirajn2311 in #1257
• feat: integrate Firebase Remote Config by @Nirajn2311 in #1258
• chore: update mobile learn E2E to use playwright by @Nirajn2311 in #1259
• release(app): v4.2.0+40200 by @Nirajn2311 in #1261

Full Changelog: v4.1.9...v4.2.0