Bump astro from 6.1.2 to 6.1.3 in the bun group (#5)

* Bump astro from 6.1.2 to 6.1.3 in the bun group

Bumps the bun group with 1 update: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `astro` from 6.1.2 to 6.1.3
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@6.1.3/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 6.1.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: bun
...

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

* Update README

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Rishav Dhar <19497993+rdhar@users.noreply.github.com>

Author: dependabot[bot]

README.md

@@ -1,5 +1,6 @@
 # HotFix.Day · Fixes, Failures & the Future of DevOps
 
+> [!TIP]
 > Things break in production; we write about why. Incident analysis, infrastructure automation, CI/CD, observability, and open-source SRE tooling.
 
 ## File structure

bun.lock

@@ -29,7 +29,7 @@
     "@astrojs/mdx": "5.0.3",
     "@astrojs/rss": "4.0.18",
     "@astrojs/sitemap": "3.7.2",
-    "astro": "6.1.2",
+    "astro": "6.1.3",
     "sharp": "0.34.5"
   },
   "devDependencies": {