[DOC] Incorrect link in main README file

[gcunhase]

Report incorrect documentation

Location of incorrect documentation
https://github.com/NVIDIA/cutlass?tab=readme-ov-file#whats-new-in-cutlass-35

Describe the problems or issues found in the documentation
The "Ampere gather/scatter convolution example" link in the main README.md is not working.

Steps taken to verify documentation is incorrect
List any steps you have taken:

Suggested fix for documentation
Update the link with https://github.com/NVIDIA/cutlass/tree/main/examples/59_ampere_gather_scatter_conv

Thanks.

[github-actions]

This issue has been labeled inactive-30d due to no recent activity in the past 30 days. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed. This issue will be labeled inactive-90d if there is no activity in the next 60 days.

[github-actions]

This issue has been labeled inactive-90d due to no recent activity in the past 90 days. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed.