Add release manifest for 2.1.27 about page candidate

Ariver

2026-06-03 c64b469e5f7830b83db0d0cae29cf38248465efb

 privatevoice.src/app.go

@@ -27,8 +27,8 @@
)

const (
   appVersion        = "2.1.25"
   appBuild          = "20260603.2102"
   appVersion        = "2.1.27"
   appBuild          = "20260603.2238"
   appDisplayVersion = appVersion + " (build " + appBuild + ")"
   appName           = "PrivateVoice Dictation"