docs: add links to the CHANGELOG from the README.md for Java and Node (#372)

Source-Author: Megan Potter <[email protected]>
Source-Date: Thu Jul 30 13:21:57 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 5936421202fb53ed4641bcb824017dd393a3dbcc
Source-Link: googleapis/synthtool@5936421

Author: yoshi-automation

packages/google-cloud-oslogin/README.md

@@ -14,6 +14,9 @@
 Google Cloud OS Login API client for Node.js
 
 
+A comprehensive list of changes in each version may be found in
+[the CHANGELOG](https://github.com/googleapis/nodejs-os-login/blob/master/CHANGELOG.md).
+
 * [Google Cloud OS Login Node.js Client API Reference][client-docs]
 * [Google Cloud OS Login Documentation][product-docs]
 * [github.com/googleapis/nodejs-os-login](https://github.com/googleapis/nodejs-os-login)

packages/google-cloud-oslogin/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-os-login.git",
-        "sha": "5e350922cdcf5df4f97361f1ec35dfb83f3f0d6e"
+        "sha": "77fb478f70f03e49963a7380eda30e8b2adb9d49"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "89d431fb2975fc4e0ed24995a6e6dfc8ff4c24fa"
+        "sha": "5936421202fb53ed4641bcb824017dd393a3dbcc"
       }
     }
   ],