Update StalePRs.yml

[sekyondaMeta]

Updating Stale to stale to account for case sensitivity. It looks like case sensitivity in labels might affect results gotten when a GH runs

Fixes #ISSUE_NUMBER

Description

Checklist

• The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• Only one issue is addressed in this pull request
• Labels from the issue that this PR is fixing are added to this pull request
• No unnecessary issues are included into this pull request.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/3110

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

• [PRE-EMPTIVE] Experimenting with new runners linux.aws.a100 on inductor-perf-compare.yml

❌ 1 New Failure

As of commit b8bfeb2 with merge base eaf9699 ():

NEW FAILURE - The following job has failed:

• link check on PR / linkChecker (gh)
  error: the following required arguments were not provided:

This comment was automatically generated by Dr. CI and updates every 15 minutes.