confirm all links on IESG page are correctly working

[ghwood]

URL

https://beta.ietf.org/about/groups/iesg/

Expected Behavior

(What did you think was supposed to happen? How did you think it should look?)

Actual Behavior

(include a screen shot if you like)

Reproducing

• Browser:
• OS: [Operating System name] [Version]
• (anything else you think we might need to reproduce this)

[ghwood]

These have been checked (but can be updated if needed!).