Add stats feature to secret-manager

[garath]

Resolves dotnet/dnceng#4969

[Copilot]

Copilot reviewed 1 out of 1 changed files in this pull request and generated 3 comments.

Comments suppressed due to low confidence (3)

src/SecretManager/Microsoft.DncEng.SecretManager/Commands/StatsCommand.cs:72

• Error message should specify which files are missing.

throw new FailWithExitCodeException(86, "The following manifest files were not found: {Environment.NewLine} {string.Join(Environment.NewLine, missingManifestFiles)}");

src/SecretManager/Microsoft.DncEng.SecretManager/Commands/StatsCommand.cs:80

• Error message should specify which directories are missing or empty.

throw new FailWithExitCodeException(86, "The following manifest directories were not found or contained no manifests: {Environment.NewLine} {string.Join(Environment.NewLine, missingOrEmptyManifestPaths)}");

src/SecretManager/Microsoft.DncEng.SecretManager/Commands/StatsCommand.cs:145

• [nitpick] Use '_console.WriteLine' for consistency.

Console.WriteLine("No human required secrets found");