chore: update eslint plugins and config (#38264)

1. Bump all eslint dependencies, enable some of the new unicorn rules
2. Remove `eslint-plugin-de-morgan`, it sometimes causes readability
issues
3. Disable some of the unicorn rules that are known to produce
false-positives
4. Remove obsolete type cast
5. Fix one violation of
https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/prefer-dom-node-replace-children.md

---------

Signed-off-by: silverwind <me@silverwind.io>

web_src/js/features/dropzone.ts

@@ -125,7 +125,7 @@ export async function initDropzone(dropzoneEl: HTMLElement) {
       dzInst.removeAllFiles(true);
       disableRemovedfileEvent = false;
 
-      dropzoneEl.querySelector('.files')!.innerHTML = '';
+      dropzoneEl.querySelector('.files')!.replaceChildren();
       for (const el of dropzoneEl.querySelectorAll('.dz-preview')) el.remove();
       fileUuidDict = {};
       for (const attachment of respData) {