Add updates and better UI

[michaelmsonne]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes

What is the current behavior?

Issue Number: N/A

What is the new behavior?

• Updated Trusted Signing from v0.1.103.0 to the latest v0.1.108.0
• The tool now only displays Code Signing certificates with a private key for selection
• Added a direct link to the Azure Portal to help you find your Trusted Signing accounts
• New option to enable or disable timestamping when signing (supported for .pfx and Certificate Store certificates)
• Improved error handling and logging
• Added support for more versions of the Windows SDK
• New "Select All" option for bulk selecting/unselecting files to sign
• Minor UI improvements for a better user experience

Other information