docs: note that permissions list may change

[dgozman]

Also remove 'accessibility-events' from the list as it is not supported by any browser anymore.

References #33678.

[github-actions[bot]]

Test results for "tests 1"

3 flaky

:warning: [chromium-page] › page/page-event-request.spec.ts:138:3 › should report navigation requests and responses handled by service worker with routing @chromium-ubuntu-22.04-node20
:warning: [playwright-test] › ui-mode-test-ct.spec.ts:59:5 › should run component tests after editing test @ubuntu-latest-node22-1
:warning: [webkit-library] › library/browsercontext-clearcookies.spec.ts:92:3 › should remove cookies by domain @webkit-ubuntu-22.04-node18

37128 passed, 650 skipped :heavy_check_mark::heavy_check_mark::heavy_check_mark:

Merge workflow run.