Rollup merge of #136587 - GuillaumeGomez:update-gui-tests, r=notriddle

Update browser-ui-test version to `0.20.2`

r? `@notriddle`

src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version

@@ -1 +1 @@
-0.18.2
+0.20.2

src/tools/rustdoc-gui/tester.js

@@ -197,7 +197,6 @@ async function main(argv) {
         const args = [
             "--variable", "DOC_PATH", opts["doc_folder"].split("\\").join("/"),
             "--enable-fail-on-js-error", "--allow-file-access-from-files",
-            "--no-sandbox",
         ];
         if (opts["debug"]) {
             debug = true;