chore: Use the new SBOM generator tool.

Author: amanda-tarafa

.config/dotnet-tools.json

@@ -7,6 +7,12 @@
       "commands": [
         "release-progress-reporter"
       ]
+    },
+    "Google.Cloud.Tools.SbomGenerator": {
+      "version": "0.3.0",
+      "commands": [
+        "generate-sbom"
+      ]
     }
   }
 }

.kokoro/autorelease.sh

@@ -47,6 +47,7 @@ then
   cd ./tmp/release/nupkg
   for pkg in *.nupkg
   do
+    dotnet generate-sbom $pkg
     dotnet nuget push -s https://api.nuget.org/v3/index.json -k $NUGET_API_KEY $pkg
   done
   cd ../../..