HDDS-11370. Use GitHub's stale action to auto close inactive pull requests

[sarvekshayr]

What changes were proposed in this pull request?

See #7096

Currently we have a custom label that is manually applied to pull requests to mark them for auto closing, after which an auto-close action will come in later. Since this workflow seems to be leaving a lot of old PRs open, this Jira is to replace this workflow with https://github.com/actions/stale which does a similar thing but is completely automated.

What is the link to the Apache JIRA

HDDS-11370

How was this patch tested?

Tested on my fork.

PR marked as stale: sarvekshayr#47
close-stale-prs CI: https://github.com/sarvekshayr/ozone/actions/runs/19161704140

[sarvekshayr]

@errose28 @adoroszlai please review this change.

[adoroszlai]

Thanks @sarvekshayr for the patch, LGTM.

[sarvekshayr]

Should we consider increasing the number of days before marking it stale? Right now it’s set to 21 days of inactivity, which might be a bit aggressive.

cc: @ChenSammi

[errose28]

Left a few comments but overall LGTM. Thanks @sarvekshayr for picking this up.

IMO the time windows are good. After 3 weeks of inactivity both reviewers and author will get a ping, at which point they can reconnect to decide what should happen to the PR. A simple comment by the author re-requesting a review would be enough to move it out of stale state. If nobody responds for another week then the PR is closed, which serves as more of a second ping than a final decision since it can still be re-opened at any time after that.

[adoroszlai]

Thanks @sarvekshayr for the patch, @errose28 for the review.