build: fix usage of input in feature action

Signed-off-by: Michael Dawson <mdawson@devrus.com>

PR-URL: https://github.com/nodejs/node/pull/42150
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

.github/workflows/close-stale-feature-requests.yml

@@ -39,7 +39,7 @@ jobs:
       - uses: actions/stale@v4
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          days-before-stale: ${{ github.event.input.daysBeforeStale }}
+          days-before-stale: ${{ github.event.inputs.daysBeforeStale }}
           days-before-close: 30
           stale-issue-label: stale
           close-issue-message: ${{ env.CLOSE_MESSAGE }}