Merge pull request opensearch-project#3655 from kolchfa-aws/docker-compose-update

Update docker compose command in downloads

Author: kolchfa-aws

_includes/downloads/opensearch-docker-1.x.markdown

@@ -4,7 +4,7 @@ The best way to try out OpenSearch is to use [Docker Compose](https://docs.docke
   - **macOS & Windows**: In Docker _Preferences_ > _Resources_, set RAM to at least 4 GB.
   - **Linux**: Ensure `vm.max_map_count` is set to at least 262144 as per the [documentation](/docs/opensearch/install/important-settings/).
 2. Download [docker-compose.yml](/samples/1.x/docker-compose.yml) into your desired directory
-3. Run `docker-compose up`
+3. Run `docker compose up`
 4. Have a nice coffee while everything is downloading and starting up
 5. Navigate to [http://localhost:5601/](http://localhost:5601) for OpenSearch Dashboards
 6. Login with the default username (`admin`) and password (`admin`)

_includes/downloads/opensearch-docker.markdown

@@ -6,7 +6,7 @@ The best way to try out OpenSearch is to use [Docker Compose](https://docs.docke
 2. Download [docker-compose.yml](/samples/docker-compose.yml) into your desired directory
   - **Note for OpenSearch 2.12 or later:**
     Fresh installs of 2.12 or later require that you define an admin password --- using the `OPENSEARCH_INITIAL_ADMIN_PASSWORD` environment variable --- when configuring the security demo. For more information, see [Setting up a demo configuration](https://opensearch.org/docs/latest/security/configuration/demo-configuration/).
-3. Run `docker-compose up`
+3. Run `docker compose up`
 4. Have a nice coffee while everything is downloading and starting up
 5. Navigate to [http://localhost:5601/](http://localhost:5601) for OpenSearch Dashboards
 6. Login with the default username (`admin`) and password (`<custom-admin-password>`)