update slack links

.github/ISSUE_TEMPLATE/1question.md

@@ -6,11 +6,11 @@ labels: question
 
 <!-- We can't debug your app for you, but you can ask questions and we will try to answer them.
 
-You can also ask a question in the Node.js Slack community's #express-js channel:
+You can also ask a question in the OpenJs Slack community's #express channel:
 
-* Slack invite form: http://www.nodeslackers.com/invite
-* #express-js channel: https://node-js.slack.com/archives/C0L827VV4
+* Slack invite form: https://slack-invite.openjsf.org/
+* #express-js channel: https://openjs-foundation.slack.com/archives/C02QB1731FH
 
 It is super important that you paste in samples of your code (no screenshots of code, [use markdown](https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks))!
 Without seeing what your code looks like, we won't be able to help you very much.
-More is better when it comes to sharing code samples if you're having a problem. -->
+More is better when it comes to sharing code samples if you're having a problem. -->