Release 8.4.0

8.4.0 Release

What's Changed

• Update all non-major dependencies by @renovate[bot] in #433
• Update dependency @vector-im/compound-design-tokens to v6.9.0 by @renovate[bot] in #434
• Update GitHub Actions (major) by @renovate[bot] in #436
• Update GitHub Actions by @renovate[bot] in #435
• Update all non-major dependencies by @renovate[bot] in #439
• Update all non-major dependencies by @renovate[bot] in #440
• Update all non-major dependencies by @renovate[bot] in #442
• Update dependency jsdom to v28 by @renovate[bot] in #443
• Update dependency @vector-im/compound-design-tokens to v6.10.0 by @renovate[bot] in #444
• Update all non-major dependencies by @renovate[bot] in #445
• Make it possible to pass classNames to Menu by @MidhunSureshR in #447

Full Changelog: v8.3.6...v8.4.0