Bug reports for links in kubecub docs

[kubbot]

Summary

Status	Count
🔍 Total	149
✅ Successful	144
⏳ Timeouts	1
🔀 Redirected	0
👻 Excluded	0
❓ Unknown	0
🚫 Errors	4

Errors per input

Errors in README.md

• [404] https://github.com/kubecub/kube-im/discussions/categories/meeting | Failed: Network error: Not Found
• [404] https://github.com/kubecub/kube-im/discussions/new/choose | Failed: Network error: Not Found
• [400] https://github.com/issues?q=org%kubecub+is%3Aissue+label%3A%22good+first+issue%22+no%3Aassignee | Failed: Network error: Bad Request

Errors in CONTRIBUTING.md

• [TIMEOUT] https://twitter.com/xxw3293172751 | Timeout
• [404] https://github.com/kubecub/kube-im/discussions | Failed: Network error: Not Found
  Full Github Actions output

[kubbot]

This issue is stale because it has been open 7 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[kubbot]

This issue was closed because it has been stalled for 5 days with no activity.