chore: update bucket for cloud-rad (#511)

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Source-Link: googleapis/synthtool@079dcce

packages/google-cloud-language/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-language.git",
-        "sha": "3ab34d3d464b66948c616b1f00dae061a48e57e3"
+        "sha": "9ac2da8aed941d422a7be75c87b233a4dd18e0c5"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "fdd03c161003ab97657cc0218f25c82c89ddf4b6"
+        "sha": "079dcce498117f9570cebe6e6cff254b38ba3860"
       }
     }
   ],