Closing stale feature requests

.github/workflows/stale.yml

@@ -13,3 +13,9 @@ jobs:
                   stale-issue-message: "Please provide a way to reproduce the issue. Issues without a minimal (Tone.js-only) repro will be closed. A Tone.js-only repro helps ensure that the issue is not caused by another library."
                   days-before-close: 7
                   days-before-stale: 14
+            - uses: actions/stale@v9
+              with:
+                  any-of-labels: "feature request"
+                  stale-issue-message: "Unfortunately with limited development time, not all feature requests can be tackled. If you are interested in contributing this feature, please open a PR."
+                  days-before-close: 30
+                  days-before-stale: 90