Release 2026.9.27.2

Delegates reach the whole locked account (#68): its calendars, contacts
and files as well as its mail, even a kind it holds none of yet, and
writing delegates may add at the top of its Files.

Prepared Explain answers relabeled for this release; no setting changed
since 2026.9.27.1, so all 706 carry over.

crates/types/src/branding.rs

@@ -81,7 +81,7 @@ fn legacy_setting(name: &str, is_set: impl Fn(&str) -> bool) -> Option<String> {
 #[macro_export]
 macro_rules! brand_version {
     () => {
-        "2026.9.27.1"
+        "2026.9.27.2"
     };
 }