chore: release v2.0.1

Docs/CI only since v2.0.0:
- Fix marketplace badge link to the actual listing slug.
- Bump actions/checkout and actions/setup-node to v6.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: alexleventer

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "github-issue-due-dates-action",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "GitHub Action that labels and optionally comments on issues based on a YAML-frontmatter due date.",
   "main": "dist/index.js",
   "license": "MIT",