Merge pull request #3050 from FeynmanZhou/master

Fix the out-of-date slack invitation link in the issue and PR templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,8 +11,8 @@ about: Create a report to help us improve
 
 > Please delete this section including header before submitting
 >
-> This form is to report bugs. For general usage questions refer to our Slack channel
->        [KubeSphere-users](https://join.slack.com/t/kubesphere/shared_invite/enQtNTE3MDIxNzUxNzQ0LTdkNTc3OTdmNzdiODViZjViNTU5ZDY3M2I2MzY4MTI4OGZlOTJmMDg5ZTFiMDAwYzNlZDY5NjA0NzZlNDU5NmY)
+> This form is to report bugs. For general usage questions you can join our Slack channel
+>        [KubeSphere-users](https://join.slack.com/t/kubesphere/shared_invite/enQtNTE3MDIxNzUxNzQ0LTZkNTdkYWNiYTVkMTM5ZThhODY1MjAyZmVlYWEwZmQ3ODQ1NmM1MGVkNWEzZTRhNzk0MzM5MmY4NDc3ZWVhMjE)
 
 **Describe the Bug**
 A clear and concise description of what the bug is.

.github/ISSUE_TEMPLATE/installation_failure.md

@@ -7,6 +7,13 @@ about: Create an issue to help us improve installation
 
 **注意！GitHub Issue 仅支持英文，中文 Issue 请在 [论坛](https://kubesphere.com.cn/forum/) 提交。**
 
+**General remarks**
+
+> Please delete this section including header before submitting
+>
+> This form is to report installation issues. For general usage questions you can refer to [KubeSphere Documentation](https://kubesphere.io/docs) or join our Slack channel
+>        [KubeSphere-users](https://join.slack.com/t/kubesphere/shared_invite/enQtNTE3MDIxNzUxNzQ0LTZkNTdkYWNiYTVkMTM5ZThhODY1MjAyZmVlYWEwZmQ3ODQ1NmM1MGVkNWEzZTRhNzk0MzM5MmY4NDc3ZWVhMjE)
+
 **What's your question**
 
 
@@ -20,4 +27,4 @@ about: Create an issue to help us improve installation
 
 **Installer Version**
 
-> e.g. v2.1.0, v2.1.1
+> e.g. v2.1.0, v2.1.1, v3.0.0