Microsoft Kiota: Arbitrary file write + code-injection via x-ms-kiota-info clientClassName and clientNamespaceName

Summary Microsoft Kiota emitted the x-ms-kiota-info extension's clientClassName or clientNamespaceName value raw, with no identifier or path sanitization, as both the generated client's class/namespace name and part of the generated output path. When kiota generate is run without -c/--class-name ...