Bring back otelmongo

CODEOWNERS

@@ -30,6 +30,7 @@ exporters/autoexport                                                    @open-te
 instrumentation/github.com/aws/aws-lambda-go/otellambda/                @open-telemetry/go-approvers @Aneurysm9
 instrumentation/github.com/aws/aws-sdk-go-v2/otelaws/                   @open-telemetry/go-approvers @Aneurysm9
 instrumentation/github.com/gin-gonic/gin/otelgin/                       @open-telemetry/go-approvers @hanyuancheung
+instrumentation/go.mongodb.org/mongo-driver/mongo/otelmongo/            @open-telemetry/go-approvers
 instrumentation/google.golang.org/grpc/otelgrpc/                        @open-telemetry/go-approvers @dashpole @hanyuancheung
 instrumentation/host/                                                   @open-telemetry/go-approvers @MadVikingGod
 instrumentation/net/http/httptrace/otelhttptrace/                       @open-telemetry/go-approvers @Aneurysm9 @dmathieu