[Codacy] Make this field 'private' and encapsulate it in a 'public' property.

[github-actions]

Codacy finding

• Repository: TransactionProcessing/SupportTools
• Codacy org: TransactionProcessing
• Codacy repo: SupportTools
• Codacy issue ID: 3399517062cf055525e69180f84a4521
• Codacy issue: https://app.codacy.com/gh/TransactionProcessing/SupportTools/issues/3399517062cf055525e69180f84a4521
• File: TransactionProcessing.MerchantPos/Program.cs
• Line: 297
• Rule: SonarCSharp_S1104
• Severity: Warning

Message: Make this field 'private' and encapsulate it in a 'public' property.

Sync metadata

Sync key: TransactionProcessing/SupportTools::TransactionProcessing/SupportTools::3399517062cf055525e69180f84a4521