Maintenance release that brings source link support with embedded sources for easier debugging, signed NuGet packages and their assemblies with our code-signing certificate and more secure CI pipeline for the project.

• Fixed – Specify culture explicitly in String.Format method calls.
• Fixed – Use OrdinalIgnoreCase for URL comparisons.
• Project – Enable Source Link support with fully embedded sources.
• Project – Sign NuGet packages and assemblies with a code-signing certificate.
• Project – Require signature validation when restoring NuGet packages.
• Project – Use deterministic restore and hash validation for NuGet dependencies.
• Project – Enable static analysis by the Microsoft.CodeAnalysis.NetAnaylzers package.