chore(nodejs_templates): add script logging to node_library populate-secrets.sh (#742)

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Source-Link: googleapis/synthtool@e703494

Author: yoshi-automation

handwritten/bigtable/.kokoro/populate-secrets.sh

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-bigtable.git",
-        "sha": "5d8458dcd498016ff41136ee444bf49cf475ed3f"
+        "sha": "1ee5dbc8337bb12c6ea34f0b560c414e11edee45"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1c92077459db3dc50741e878f98b08c6261181e0"
+        "sha": "e7034945fbdc0e79d3c57f6e299e5c90b0f11469"
       }
     }
   ],