[upd] web-client (simple): Bump svgo from 3.3.2 to 4.0.0 in /client/simple (#4945)

* [upd] web-client (simple): Bump svgo in /client/simple

---
updated-dependencies:
- dependency-name: svgo
  dependency-version: 4.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

* [build] /static

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Markus Heiser <markus.heiser@darmarit.de>

searx/static/themes/simple/img/select-dark.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512"><path fill="#ddd" d="m128 192 128 128 128-128z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path fill="#ddd" d="m128 192 128 128 128-128z"/></svg>

searx/static/themes/simple/img/select-light.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512"><path d="m128 192 128 128 128-128z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512"><path d="m128 192 128 128 128-128z"/></svg>