fix: enhance auditing setup with new auditpol configurations and batch script for event log management

WELA.ps1

@@ -5929,11 +5929,9 @@ function ConfigureAuditSettings {
                 if ($proceed) {
                     try {
                         # AuditFilter の設定
-                        Start-Process -FilePath "certutil.exe" -ArgumentList "-setreg","CA\AuditFilter","127" -NoNewWindow -Wait
-
+                        Start-Process -FilePath "certutil.exe" -ArgumentList "-setreg","CA\AuditFilter","127" -NoNewWindow -Wait -RedirectStandardOutput 'NUL' -RedirectStandardError 'NUL'
                         # 証明書サービスの再起動
                         Restart-Service -Name "CertSvc" -Force -ErrorAction Stop
-
                         # 反映確認
                         $propAfter = Get-ItemProperty -Path $regPath -Name "AuditFilter" -ErrorAction SilentlyContinue
                         $newValue = if ($null -ne $propAfter) { [int]$propAfter.AuditFilter } else { $null }