Bump sharp from 0.30.7 to 0.31.0 in /searx/static/themes/simple

Bumps [sharp](https://github.com/lovell/sharp) from 0.30.7 to 0.31.0.
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/main/docs/changelog.md)
- [Commits](https://github.com/lovell/sharp/compare/v0.30.7...v0.31.0)

---
updated-dependencies:
- dependency-name: sharp
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

searx/static/themes/simple/package.json

@@ -14,7 +14,7 @@
     "ionicons": "^6.0.2",
     "less": "^4.1.3",
     "less-plugin-clean-css": "^1.5.1",
-    "sharp": "^0.30.6",
+    "sharp": "^0.31.0",
     "stylelint": "^13.13.1",
     "stylelint-config-standard": "^22.0.0",
     "ejs": "^3.1.8",