dependabot npm(deps): bump mqtt from 5.3.6 to 5.4.0

Bumps mqtt from 5.3.6 to 5.4.0.

Release notes

Sourced from mqtt's releases.

Release 5.4.0

5.4.0 (2024-03-13)

Bug Fixes

• add keepalive test in webworker (#1807) (8697b06)
• improve some flaky tests (#1801) (78e8f13)
• print MQTTjs version and environment on constructor (#1816) (c0a6668)
• some others flaky tests (#1808) (f988058)
• update worker-timers from 7.0.78 to 7.1.4 (#1813) (2b75186), closes #1802
• wrong default export for browser (#1800) (6237f45)

Features

• emit Keepalive timeout error and speed up tests using fake timers (#1798) (5d9bf10)

Changelog

Sourced from mqtt's changelog.

5.4.0 (2024-03-13)

Bug Fixes

• add keepalive test in webworker (#1807) (8697b06)
• improve some flaky tests (#1801) (78e8f13)
• print MQTTjs version and environment on constructor (#1816) (c0a6668)
• some others flaky tests (#1808) (f988058)
• update worker-timers from 7.0.78 to 7.1.4 (#1813) (2b75186), closes #1802
• wrong default export for browser (#1800) (6237f45)

Features

• emit Keepalive timeout error and speed up tests using fake timers (#1798) (5d9bf10)

Commits

• 64ee449 chore(release): 5.4.0
• f988058 fix: some others flaky tests (#1808)
• c0a6668 fix: print MQTTjs version and environment on constructor (#1816)
• 2b75186 fix: update worker-timers from 7.0.78 to 7.1.4 (#1813)
• 91782a5 chore: bump actions
• 8697b06 fix: add keepalive test in webworker (#1807)
• 8334aae docs: add protocol information in demo broker url (#1805)
• d6c19ac chore(deps-dev): bump ip from 1.1.8 to 1.1.9 (#1793)
• 6237f45 fix: wrong default export for browser (#1800)
• 78e8f13 fix: improve some flaky tests (#1801)
• Additional commits viewable in compare view