Bump the patch-updates group with 3 updates

Bumps the patch-updates group with 3 updates: [next](https://github.com/vercel/next.js), [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) and [postcss](https://github.com/postcss/postcss).


Updates `next` from 15.0.2 to 15.0.3
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.0.2...v15.0.3)

Updates `eslint-config-next` from 15.0.2 to 15.0.3
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v15.0.3/packages/eslint-config-next)

Updates `postcss` from 8.4.47 to 8.4.48
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.48)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: eslint-config-next
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: patch-updates
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: patch-updates
...

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

package.json

@@ -15,7 +15,7 @@
     "@fortawesome/free-regular-svg-icons": "^6.6.0",
     "@fortawesome/free-solid-svg-icons": "^6.6.0",
     "@fortawesome/react-fontawesome": "^0.2.2",
-    "next": "15.0.2",
+    "next": "15.0.3",
     "react": "^18",
     "react-dom": "^18"
   },
@@ -27,7 +27,7 @@
     "@typescript-eslint/parser": "^8.12.2",
     "autoprefixer": "^10.4.20",
     "eslint": "^9",
-    "eslint-config-next": "15.0.2",
+    "eslint-config-next": "15.0.3",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.29.1",
     "postcss": "^8",