[chore] run make gengithub (open-telemetry#33385)

.github/ALLOWLIST

@@ -25,3 +25,4 @@ internal/common
 
 ## UNMAINTAINED components
 exporter/skywalkingexporter/
+receiver/googlecloudspannerreceiver/

.github/CODEOWNERS

@@ -228,7 +228,6 @@ receiver/flinkmetricsreceiver/ @open-teleme
 receiver/fluentforwardreceiver/ @open-telemetry/collector-contrib-approvers @dmitryax
 receiver/gitproviderreceiver/ @open-telemetry/collector-contrib-approvers @adrielp @andrzej-stencel
 receiver/googlecloudpubsubreceiver/ @open-telemetry/collector-contrib-approvers @alexvanboxel
-receiver/googlecloudspannerreceiver/ @open-telemetry/collector-contrib-approvers @varunraiko
 receiver/haproxyreceiver/ @open-telemetry/collector-contrib-approvers @atoulme @MovieStoreGuy
 receiver/hostmetricsreceiver/ @open-telemetry/collector-contrib-approvers @dmitryax @braydonk
 receiver/httpcheckreceiver/ @open-telemetry/collector-contrib-approvers @codeboten
@@ -306,3 +305,4 @@ reports/distributions/contrib.yaml @open-telemetry/collector-contrib-approvers
 ## UNMAINTAINED components
 
 exporter/skywalkingexporter/ @open-telemetry/collector-contrib-approvers 
+receiver/googlecloudspannerreceiver/ @open-telemetry/collector-contrib-approvers