Bump softprops/turnstyle from 2 to 3 (#2147)

Author: dependabot[bot]

.github/workflows/gardening.yml

@@ -31,7 +31,7 @@ jobs:
           node-version: lts/*
 
       - name: Wait for prior instances of the workflow to finish
-        uses: softprops/turnstyle@v2
+        uses: softprops/turnstyle@v3
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}