docs: add links to the CHANGELOG from the README.md for Java and Node (…

…#111)

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Source-Link: googleapis/synthtool@5936421

packages/google-monitoring-dashboard/README.md

@@ -14,6 +14,9 @@
 interact with dashboards for viewing and analyzing metric data
 
 
+A comprehensive list of changes in each version may be found in
+[the CHANGELOG](https://github.com/googleapis/nodejs-monitoring-dashboards/blob/master/CHANGELOG.md).
+
 * [Monitoring Dashboards Node.js Client API Reference][client-docs]
 * [Monitoring Dashboards Documentation][product-docs]
 * [github.com/googleapis/nodejs-monitoring-dashboards](https://github.com/googleapis/nodejs-monitoring-dashboards)

packages/google-monitoring-dashboard/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-monitoring-dashboards.git",
-        "sha": "d6d4f2358400e752bc49ff2ce1290c39248890a4"
+        "sha": "c9a8c46b09fa062f888e52783b2803a0fba58c30"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "89d431fb2975fc4e0ed24995a6e6dfc8ff4c24fa"
+        "sha": "5936421202fb53ed4641bcb824017dd393a3dbcc"
       }
     }
   ],