fix: improve the grammar/clarity of the stale bot comments (#52124)

Summary:
this PR makes the stale bot messages a bit clearer and fixes a grammatical issue.

# Changelog:

[INTERNAL] [FIXED] Tweak stale bot messages

Pull Request resolved: #52124

Test Plan: N/A

Reviewed By: andrewdacenko

Differential Revision: D76969503

Pulled By: cortinico

fbshipit-source-id: d030a0488b44521f61447e252bae5ded10826dbb

Author: Rexogamer

.github/workflows/stale-bot.yml

@@ -14,8 +14,8 @@ jobs:
         with:
           repo-token: ${{ secrets.REACT_NATIVE_BOT_GITHUB_TOKEN }}
           days-before-stale: 180
-          stale-issue-message: 'This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
-          stale-pr-message: 'This PR is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
+          stale-issue-message: 'This issue is stale because it has been open for 180 days with no activity. It will be closed in 7 days unless you comment on it or remove the "Stale" label.'
+          stale-pr-message: 'This PR is stale because it has been open for 180 days with no activity. It will be closed in 7 days unless you comment on it or remove the "Stale" label.'
           close-issue-message: 'This issue was closed because it has been stalled for 7 days with no activity.'
           close-pr-message: 'This PR was closed because it has been stalled for 7 days with no activity.'
           exempt-issue-labels: 'Help Wanted :octocat:, Good first issue, Never gets stale, Issue: Author Provided Repro'