build: missing closing paren in publish script (#405)

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Source-Link: googleapis/synthtool@d82decc

packages/google-cloud-dns/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-dns.git",
-        "sha": "eb2cc61e51f7ff687235853dcd343f92468b2c1f"
+        "sha": "97970e2a69560f7f7feb3b9a61a4cd9cb0030ef7"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "799d8e6522c1ef7cb55a70d9ea0b15e045c3d00b"
+        "sha": "d82deccf657a66e31bd5da9efdb96c6fa322fc7e"
       }
     }
   ]