chore: regenerate README (#159)

Author: yoshi-automation

.github/readme/synth.metadata/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigqueryconnection.git",
-        "sha": "365d497e8587412e6c1f50bd5e53f8257e77e213"
+        "sha": "068dbc01aba88f7b13b483fa40a651e0d071822a"
       }
     },
     {

README.md

@@ -77,7 +77,10 @@ has instructions for running the samples.
 | --------------------------- | --------------------------------- | ------ |
 | Create Connection | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/CreateConnection.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/CreateConnection.java) |
 | Delete Connection | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/DeleteConnection.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/DeleteConnection.java) |
+| Get Connection | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/GetConnection.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/GetConnection.java) |
+| List Connections | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/ListConnections.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/ListConnections.java) |
 | Quickstart Sample | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/QuickstartSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/QuickstartSample.java) |
+| Update Connection | [source code](https://github.com/googleapis/java-bigqueryconnection/blob/master/samples/snippets/src/main/java/com/example/bigqueryconnection/UpdateConnection.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigqueryconnection&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigqueryconnection/UpdateConnection.java) |