fix: replace tislack.org with slack.tidev.io (#13445)

Author: caspahouzer

.github/CONTRIBUTING.md

@@ -7,6 +7,6 @@ Thank you for the interest in contributing. We'd like to review and possibly mer
 -[x] If you are fixing an issue that has no GitHub issue, create a [new issue](https://github.com/tidev/titanium_mobile/issues/new/choose) and include the URL in your PR description
 -[x] Use a clear title, e.g. prefixing it with the GitHub Issue number and platform
 
-That's it, you are good to go! If you have any further questions or problems, feel free to ask us on [Ti.Slack](https://tislack.org) or [GitHub Discussions](https://github.com/tidev/titanium_mobile/discussions).
+That's it, you are good to go! If you have any further questions or problems, feel free to ask us on [Ti.Slack](https://slack.tidev.io) or [GitHub Discussions](https://github.com/tidev/titanium_mobile/discussions).
 
 Code strong! :rocket:

.github/ISSUE_TEMPLATE/config.yml

@@ -3,5 +3,5 @@ contact_links:
 url: https://github.com/tidev/titanium_mobile/discussions
 about: Ask a question in Github Discussions
  - name: TiDev
-url: https://tislack.org
+url: https://slack.tidev.io
 about: Talk to other Titanium developers on Slack

README.md

@@ -178,7 +178,7 @@ Please visit the official documentation site at [https://titaniumsdk.com/](https
 
 ### Slack / Developer Community
 
-Community support and discussion about Titanium is available on Slack at [TiSlack](http://www.tislack.org).
+Community support and discussion about Titanium is available on Slack at [TiSlack](https://slack.tidev.io).
 
 ### Twitter