Add Arve as OTLP ingest maintainer

Also remove myself :)

Arve has been doing a lot of maintainance on the upstream component
and also reviewing PRs on Prometheus for this otlp ingest. I continue
to have less and less time for this, so I'd like make Arve a maintainer
for OTLP Ingestion.

Signed-off-by: Goutham <gouthamve@gmail.com>

.github/CODEOWNERS

@@ -1,7 +1,7 @@
 /web/ui @juliusv
 /web/ui/module @juliusv @nexucis
 /storage/remote @cstyan @bwplotka @tomwilkie
-/storage/remote/otlptranslator @gouthamve @jesusvazquez
+/storage/remote/otlptranslator @aknuds1 @jesusvazquez
 /discovery/kubernetes @brancz
 /tsdb @jesusvazquez
 /promql @roidelapluie

MAINTAINERS.md

@@ -16,6 +16,7 @@ General maintainers:
 George Krajcsovits (<gyorgy.krajcsovits@grafana.com> / @krajorama)
 * `storage`
   * `remote`: Callum Styan (<callumstyan@gmail.com> / @cstyan), Bartłomiej Płotka (<bwplotka@gmail.com> / @bwplotka), Tom Wilkie (<tom.wilkie@gmail.com> / @tomwilkie)
+    * `otlptranslator`: Arve Knudsen (<arve.knudsen@gmail.com> / @aknuds1), Jesús Vázquez (<jesus.vazquez@grafana.com> / @jesusvazquez)
 * `tsdb`: Ganesh Vernekar (<ganesh@grafana.com> / @codesome), Bartłomiej Płotka (<bwplotka@gmail.com> / @bwplotka), Jesús Vázquez (<jesus.vazquez@grafana.com> / @jesusvazquez)
   * `agent`: Robert Fratto (<robert.fratto@grafana.com> / @rfratto)
 * `web`