Bump @keystatic/core from 0.6.7 to 0.6.9 in the keystatic group

Bumps the keystatic group with 1 update: [@keystatic/core](https://github.com/Thinkmill/keystatic/tree/HEAD/packages/keystatic).


Updates `@keystatic/core` from 0.6.7 to 0.6.9
- [Changelog](https://github.com/Thinkmill/keystatic/blob/main/packages/keystatic/CHANGELOG.md)
- [Commits](https://github.com/Thinkmill/keystatic/commits/@keystatic/core@0.6.9/packages/keystatic)

---
updated-dependencies:
- dependency-name: "@keystatic/core"
  dependency-version: 0.6.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: keystatic
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

bun.lock

@@ -17,7 +17,7 @@
     "@astrojs/rss": "^4.0.19",
     "@astrojs/sitemap": "^3.7.3",
     "@keystatic/astro": "^6.0.0",
-    "@keystatic/core": "^0.6.7",
+    "@keystatic/core": "^0.6.9",
     "@resvg/resvg-js": "^2.6.2",
     "astro": "^7.2.2",
     "cmdk": "^1.1.1",