chore(pm): check:pm-fleet-write-dispatch also runs rerun-failed.mjs --self-test

The wrapper's self-test reaches CI through the script lint.yml already
runs, with no workflow edit.

Claude-Session: https://claude.ai/code/session_01FM29ZqLTrnPNXxijioZwMp
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

package.json

@@ -96,7 +96,7 @@
     "check:pm-close-cards": "node scripts/pm/close-cards.mjs --self-test",
     "check:pm-fleet-write-validate": "node scripts/pm/fleet-write/validate.mjs --self-test",
     "check:pm-fleet-write-execute": "node scripts/pm/fleet-write/execute.mjs --self-test",
-    "check:pm-fleet-write-dispatch": "node scripts/pm/fleet-write/dispatch.mjs --self-test",
+    "check:pm-fleet-write-dispatch": "node scripts/pm/fleet-write/dispatch.mjs --self-test && node scripts/pm/rerun-failed.mjs --self-test",
     "check:pm-board-snapshot": "node scripts/pm/board-snapshot.mjs --self-test",
     "check:pm-changeset-deadline-census": "node scripts/pm/changeset-deadline-census.mjs --self-test",
     "check:pm-governed-merges": "node scripts/pm/check-governed-merges.mjs --self-test",