chore: update cloud rad kokoro build job (#379)

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Source-Link: googleapis/synthtool@bd0deaa

packages/google-cloud-asset/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-asset.git",
-        "sha": "c5bd3b7dfae1bf424b54b086c0db47310b2efc5b"
+        "sha": "9a82f395d2550e38392b1e410d1da83208298996"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "94421c47802f56a44c320257b2b4c190dc7d6b68"
+        "sha": "bd0deaa1113b588d70449535ab9cbf0f2bd0e72f"
       }
     }
   ],