chore(deps): bump the npm group with 4 updates (#1179)

* chore(deps): bump the npm group with 4 updates

Bumps the npm group with 4 updates: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight), [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro), [sharp](https://github.com/lovell/sharp) and [prettier](https://github.com/prettier/prettier).


Updates `@astrojs/starlight` from 0.39.3 to 0.40.0
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/starlight@0.40.0/packages/starlight)

Updates `astro` from 6.4.4 to 6.4.6
- [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@6.4.6/packages/astro)

Updates `sharp` from 0.34.5 to 0.35.1
- [Release notes](https://github.com/lovell/sharp/releases)
- [Commits](lovell/sharp@v0.34.5...v0.35.1)

Updates `prettier` from 3.8.3 to 3.8.4
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.8.3...3.8.4)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.40.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: astro
  dependency-version: 6.4.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: sharp
  dependency-version: 0.35.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: prettier
  dependency-version: 3.8.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
...

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

* fix: externalize satteri to fix build error and bump esbuild to 0.28.1

* style: configs

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gil Desmarais <git@desmarais.de>

Author: dependabot[bot]

astro.config.mjs

@@ -42,6 +42,7 @@ export default defineConfig({
   vite: {
     build: {
       rollupOptions: {
+        external: ["satteri"],
         output: {
           manualChunks: {
             vendor: ["@astrojs/starlight"],