Prune obsolete dist artifacts after builds

scripts/verify.mjs

@@ -46,6 +46,7 @@ const required = [
   "scripts/validate-installed-connections.cjs",
   "scripts/publish-binary-release.cjs",
   "scripts/write-release-checksums.mjs",
+  "scripts/prune-dist.mjs",
   "scripts/generate-source-manifest.mjs",
   "setup-windows.ps1",
   "START-FORGEFLOW-OVERLAY.ps1",