docs: fix gossipTimeout default value and unit

The documentation stated the default as 5 seconds, and the Javadoc
listed it as 3. The actual code default is 3000 milliseconds. Updated
both locations to reflect the correct value and unit.

Author: w1am

docs/api/getting-started.md

@@ -84,7 +84,7 @@ There are a number of query parameters that can be used in the connection string
 | `connectionName`      | Any string                                        | None     | Connection name                                                                                                                                |
 | `maxDiscoverAttempts` | Number                                            | `10`     | Number of attempts to discover the cluster.                                                                                                    |
 | `discoveryInterval`   | Number                                            | `100`    | Cluster discovery polling interval in milliseconds.                                                                                            |
-| `gossipTimeout`       | Number                                            | `5`      | Gossip timeout in seconds, when the gossip call times out, it will be retried.                                                                 |
+| `gossipTimeout`       | Number                                            | `3000`   | Gossip timeout in milliseconds, when the gossip call times out, it will be retried.                                                            |
 | `nodePreference`      | `leader`, `follower`, `random`, `readOnlyReplica` | `leader` | Preferred node role. When creating a client for write operations, always use `leader`.                                                         |
 | `tlsVerifyCert`       | `true`, `false`                                   | `true`   | In secure mode, set to `true` when using an untrusted connection to the node if you don't have the CA file available. Don't use in production. |
 | `tlsCaFile`           | String, file path                                 | None     | Path to the CA file when connecting to a secure cluster with a certificate that's not signed by a trusted CA.                                  |

src/main/java/io/kurrent/dbclient/KurrentDBClientSettings.java

@@ -16,7 +16,7 @@
  * <ul>
  *     <li>maxDiscoverAttempts: 3</li>
  *     <li>discoveryInterval: 500</li>
- *     <li>gossipTimeout: 3</li>
+ *     <li>gossipTimeout: 3000</li>
  *     <li>nodePreference: leader</li>
  *     <li>tls: true</li>
  *     <li>tlsVerifyCert: true</li>