Upgrade all dev dependencies | ESLint 9

[mikepenz]

• upgrade all dev dependencies to their latest release versions
• move to eslint 9
• format all files

[github-actions]

	Tests	Passed ✅	Skipped ⏭️	Failed ❌
Example Pytest Report	4 ran	2 passed	0 skipped	2 failed

Test	Result
Example Pytest Report
test_sample.test_which_succeeds	✅ pass
test_sample.test_which_fails	❌ failure
test_sample.test_with_error	❌ failure
test_sample.test_with_flaky_success	✅ pass

[github-actions]

	Tests	Passed ✅	Skipped ⏭️	Failed ❌
Example Nested JUnit Test Report	3 ran	3 passed	0 skipped	0 failed

Test	Result
Example Nested JUnit Test Report
ABC-0199: XMPP Ping
PingIntegrationTest.pingAsync (Normal)	✅ pass
PingIntegrationTest.pingServer (Normal)	✅ pass
ABC-0045: Multi-User Chat
MultiUserIntegrationTest.mucRoleTestForReceivingModerator (Normal)	✅ pass