fix: default git tag message from UTF-8 bytes for Windows PowerShell 5.1

release.ps1

@@ -17,7 +17,7 @@
 [CmdletBinding()]
 param(
   [string]$Prefix = "v",
-  [string]$Message = "正式发布",
+  [string]$Message,
   [switch]$AutoCommit,
   [switch]$RequireClean,
   [string]$CommitMessage,
@@ -28,6 +28,13 @@ param(
 Set-StrictMode -Version Latest
 $ErrorActionPreference = "Stop"
 
+# Default tag message is 「正式发布」 from UTF-8 bytes (not a Chinese literal in
+# this file). Windows PowerShell 5.1 parses UTF-8 scripts without BOM as the
+# system ANSI code page, which would turn a source literal into 「姝ｅ紡鍙戝竷」.
+if (-not $PSBoundParameters.ContainsKey("Message") -or [string]::IsNullOrWhiteSpace($Message)) {
+  $Message = [System.Text.Encoding]::UTF8.GetString([byte[]](0xE6, 0xAD, 0xA3, 0xE5, 0xBC, 0x8F, 0xE5, 0x8F, 0x91, 0xE5, 0xB8, 0x83))
+}
+
 function Remove-GitNoise {
   param([string[]]$Lines)
   return @($Lines | Where-Object {