Merge pull request #1004 from kapicorp/fix-slack-invite-link

Fix kapitan invite link

docs/pages/contribute/talk.md

@@ -3,7 +3,7 @@
 Our project needs your support to get noticed! Please let everyone know that you are using **Kapitan**
 
 * :fontawesome-brands-github: Help us grow: [give us a star](https://github.com/kapicorp/kapitan/stargazers)
-* Join us on **kubernetes.slack.com** [`#kapitan`](https://kubernetes.slack.com/archives/C981W2HD3)([**Get invited**](https://kubernetes.slack.com))
+* Join us on **kubernetes.slack.com** [`#kapitan`](https://kubernetes.slack.com/archives/C981W2HD3)([**Get invited**](https://slack.k8s.io/))
 * **Tweet about us on Twitter** . Remember to add [@kapitandev](https://twitter.com/kapitandev/) to your tweets
 * **Share our website** [**`https://kapitan.dev`**](https://kapitan.dev)
 * **Write tutorials and blog posts** and join the many who have done it already! Get published on the [Kapitan Blog](https://medium.com/kapitan-blog)

docs/support.md

@@ -2,7 +2,7 @@
 
 ## Community
 
-* Join us on **kubernetes.slack.com** [`#kapitan`](https://kubernetes.slack.com/archives/C981W2HD3)([**Get invited**](https://kubernetes.slack.com))
+* Join us on **kubernetes.slack.com** [`#kapitan`](https://kubernetes.slack.com/archives/C981W2HD3)([**Get invited**](https://slack.k8s.io/))
 * **Follow us on Twitter** [@kapitandev](https://twitter.com/kapitandev/).
 * **Website** [**`https://kapitan.dev`**](https://kapitan.dev)
 * **Mailing List** [[email protected]](mailto:[email protected])([**Subscribe**](https://groups.google.com/g/kapitan-discuss))