changes without context (#733)

autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

Author: yoshi-automation

handwritten/datastore/samples/README.md

@@ -181,4 +181,4 @@ __Usage:__
 
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-datastore&page=editor&open_in_editor=samples/README.md
-[product-docs]: https://cloud.google.com/datastore
+[product-docs]: https://cloud.google.com/datastore/docs

handwritten/datastore/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-datastore.git",
-        "sha": "fa5faacb16b8c021314348acc5534e1802e0826e"
+        "sha": "773a848ecba0d27565471a85b8274e6cb3a87ffd"
       }
     },
     {