chore: bump version to 8.4.0

[skjnldsv]

8.4.0

Added

• Add support for Nextcloud 36
• feat(admin): Display list of available attributes by @CarlSchwan in feat(admin): Display list of available attributes #1228

Fixed

• fix: Use compatibility list when checking for timezone by @CarlSchwan in fix: Use compatibility list when checking for timezone #1229
• perf: Don't fetch all users from a group on login by @CarlSchwan in perf: Don't fetch all users from a group on login #1231
• fix: return null when we can't create group, make sure home is not an empty string (Oracle) by @CarlSchwan in chore: Add test coverage for group and user backend #1230
• fix: Use strict mode with in_array
• Updated translations

Dependencies

• build(deps): bump nanoid from 3.3.16 to 3.3.19 by @dependabot[bot] in build(deps): bump nanoid from 3.3.16 to 3.3.19 #1239
• build(deps): bump qs from 6.15.3 to 6.16.0 by @dependabot[bot] in build(deps): bump qs from 6.15.3 to 6.16.0 #1224
• build(deps): bump fast-uri from 3.1.5 to 3.1.7 by @dependabot[bot] in build(deps): bump fast-uri from 3.1.5 to 3.1.7 #1223

👾 This pull request was assisted by Claude Code, commits carry an Assisted-by trailer.