Add TTL support for Netlify adapter for On Demand Builders

[cassidoo]

What version of astro are you using?

2.1.5

Are you using an SSR adapter? If so, which one?

Netlify

Describe the Feature

The Netlify On Demand Builders adapter should support Time To Live (TTL):

https://docs.netlify.com/configure-builds/on-demand-builders/#time-to-live-ttl

Relevant PR: #5874

Participation

• I am willing to submit a pull request for this issue (but I won't be hurt if someone beats me to it)

[github-actions]

Hello @cassidoo. Please provide a minimal reproduction using a GitHub repository or StackBlitz. Issues marked with needs: repro will be closed if they have no activity within 3 days.

[natemoo-re]

Uh oh... rogue bot!

[natemoo-re]

Apologies for the notifications @cassidoo! Trying the label action again...