Use mcdsl/terminal for all password prompts

Replace direct golang.org/x/term calls with mcdsl/terminal.ReadPassword
across mciasctl (6 sites), mciasgrpcctl (1 site), and mciasdb (1 site).
Aligns with the new CLI security standard in engineering-standards.md.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

vendor/google.golang.org/protobuf/internal/version/version.go

@@ -52,7 +52,7 @@ import (
 const (
 	Major      = 1
 	Minor      = 36
-	Patch      = 7
+	Patch      = 10
 	PreRelease = ""
 )