[chore][exporter/bmchelixexporter] Add component sponsor as code owner (

open-telemetry#37749)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description
As component sponsor, @MovieStoreGuy [should be included as a code
owner](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#adding-new-components).

.github/CODEOWNERS

@@ -43,7 +43,7 @@ exporter/awss3exporter/                                          @open-telemetry
 exporter/awsxrayexporter/                                        @open-telemetry/collector-contrib-approvers @wangzlei @srprash
 exporter/azuredataexplorerexporter/                              @open-telemetry/collector-contrib-approvers @ag-ramachandran
 exporter/azuremonitorexporter/                                   @open-telemetry/collector-contrib-approvers @pcwiese
-exporter/bmchelixexporter/                                       @open-telemetry/collector-contrib-approvers @bertysentry @NassimBtk
+exporter/bmchelixexporter/                                       @open-telemetry/collector-contrib-approvers @bertysentry @NassimBtk @MovieStoreGuy
 exporter/carbonexporter/                                         @open-telemetry/collector-contrib-approvers @aboguszewski-sumo
 exporter/cassandraexporter/                                      @open-telemetry/collector-contrib-approvers @atoulme @emreyalvac
 exporter/clickhouseexporter/                                     @open-telemetry/collector-contrib-approvers @hanjm @dmitryax @Frapschen @SpencerTorres

exporter/bmchelixexporter/README.md

@@ -6,7 +6,7 @@
 | Stability     | [development]: metrics   |
 | Distributions | [] |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aexporter%2Fbmchelix%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aexporter%2Fbmchelix) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aexporter%2Fbmchelix%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aexporter%2Fbmchelix) |
-| [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@bertysentry](https://www.github.com/bertysentry), [@NassimBtk](https://www.github.com/NassimBtk) |
+| [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@bertysentry](https://www.github.com/bertysentry), [@NassimBtk](https://www.github.com/NassimBtk), [@MovieStoreGuy](https://www.github.com/MovieStoreGuy) |
 
 [development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development
 <!-- end autogenerated section -->

exporter/bmchelixexporter/metadata.yaml

@@ -6,4 +6,4 @@ status:
     development: [metrics]
   distributions: []
   codeowners:
-    active: [bertysentry, NassimBtk]
+    active: [bertysentry, NassimBtk, MovieStoreGuy]