"our build files examples" link not working in README

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**What version of protobuf and what language are you using?**

main



**What operating system (Linux, Windows, ...) and version?**

N/A



**What runtime / compiler are you using (e.g., python version or gcc version)**

N/A



**What did you do?**

Steps to reproduce the behavior:

1.. Click on "our build files examples" in README

https://screenshot.googleplex.com/ALFvChD2Ggnfsmz

2. See error

https://screenshot.googleplex.com/3FcS472LpbypDRV



**What did you expect to see**

examples



**What did you see instead?**

error



Make sure you include information that can help us debug (full error message, exception listing, stack trace, logs).



**Anything else we should know about your project / environment**

[]