[bitnami/mlflow] Update externalS3.host example

AWS S3 HTTP endpoints are always regional, with `s3.amazonaws.com`
defaulting to us-east-1. To avoid issues when using buckets from
other regions, we should encourage including region code in the host.

Fixes: bitnami#23959

Signed-off-by: Jasper Orschulko <[email protected]>

bitnami/mlflow/README.md

@@ -448,7 +448,7 @@ The command deploys mlflow on the Kubernetes cluster in the default configuratio
 
 | Name                                      | Description                                                        | Value           |
 | ----------------------------------------- | ------------------------------------------------------------------ | --------------- |
-| `externalS3.host`                         | External S3 host, e.g. "s3.amazonaws.com"                          | `""`            |
+| `externalS3.host`                         | External S3 host. When using AWS S3, include appropriate [regional code](https://docs.aws.amazon.com/general/latest/gr/s3.html#s3_region) e.g. "eu-central-1.amazonaws.com"                          | `""`            |
 | `externalS3.port`                         | External S3 port number                                            | `443`           |
 | `externalS3.useCredentialsInSecret`       | Whether to use a secret to store the S3 credentials                | `true`          |
 | `externalS3.accessKeyID`                  | External S3 access key ID                                          | `""`            |
@@ -509,4 +509,4 @@ Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations under the License.
+limitations under the License.