Add last update time at /benchmarks page

[marcoturi]

Description

Add the date info of used benchmark commit inside benchmarks.json. Then use the date in the /benchmarks page

Related Issues

Addresses #176

Check List

• [x] I have read the Contributing Guidelines

[marcoturi]

@gurgunday pipeline seems to fail on staging https://github.com/fastify/website/actions/runs/8246279348/job/22552358761?pr=198 let me know if you need anything from my side :)

[simoneb]

@gurgunday do you have a chance to look into this? The error in the CD pipeline doesn't seem to be related to the changes in this PR

[gurgunday]

@Eomm is more familiar than me and might be able to help faster, but I’ll try to take a look

[Eomm]

@Eomm is more familiar than me and might be able to help faster, but I’ll try to take a look

I tried to fix but failed, but I think there is something broken with GHA and netlify

[Eomm]

could you update the PR with the main branch?

We fixed the deploy on staging