chore(deps): update pnpm to v10.20.0 (#7589)

Author: eliandoran

package.json

@@ -81,7 +81,7 @@
     "url": "https://github.com/TriliumNext/Trilium/issues"
   },
   "homepage": "https://triliumnotes.org",
-  "packageManager": "pnpm@10.19.0",
+  "packageManager": "pnpm@10.20.0",
   "pnpm": {
     "patchedDependencies": {
       "@ckeditor/ckeditor5-mention": "patches/@ckeditor__ckeditor5-mention.patch",