update nuspec to add sbom as part of package

Author: arroyc

pack/Microsoft.Azure.Functions.V2.PythonWorker.nuspec

@@ -20,5 +20,7 @@
     <file src="..\3.7_OSX_X64\**" target="tools\3.7\OSX\X64" />
     <file src="..\python\prodV2\worker.config.json" target="tools" />
     <file src="Microsoft.Azure.Functions.PythonWorker.targets" target="build" />
+    <file src="..\PythonWorker\_manifest\manifest.json" target="SBOM\manifest.json" />
+    <file src="..\PythonWorker\_manifest\spdx_2.2\manifest.spdx.json" target="SBOM\manifest.spdx.json" />
   </files>
 </package>

pack/Microsoft.Azure.Functions.V3.PythonWorker.nuspec

@@ -28,5 +28,7 @@
     <file src="..\3.9_OSX_X64\**" target="tools\3.9\OSX\X64" />
     <file src="..\python\prodV3\worker.config.json" target="tools" />
     <file src="Microsoft.Azure.Functions.PythonWorker.targets" target="build" />
+    <file src="..\PythonWorker\_manifest\manifest.json" target="SBOM\manifest.json" />
+    <file src="..\PythonWorker\_manifest\spdx_2.2\manifest.spdx.json" target="SBOM\manifest.spdx.json" />
   </files>
 </package>