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

…#495)

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Source-Link: googleapis/synthtool@5936421

packages/google-cloud-language/README.md

@@ -16,6 +16,9 @@ language understanding technologies to developers, including sentiment analysis,
 analysis, and syntax analysis. This API is part of the larger Cloud Machine Learning API family.
 
 
+A comprehensive list of changes in each version may be found in
+[the CHANGELOG](https://github.com/googleapis/nodejs-language/blob/master/CHANGELOG.md).
+
 * [Natural Language Node.js Client API Reference][client-docs]
 * [Natural Language Documentation][product-docs]
 * [github.com/googleapis/nodejs-language](https://github.com/googleapis/nodejs-language)

packages/google-cloud-language/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-language.git",
-        "sha": "5a99f3652b09118392308be8b2282506a76600a3"
+        "sha": "dd869d17f6c29b3767b268f43013feecf6ac20a9"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "89d431fb2975fc4e0ed24995a6e6dfc8ff4c24fa"
+        "sha": "5936421202fb53ed4641bcb824017dd393a3dbcc"
       }
     }
   ],