Merge branch 'pcalder-codeowners-change-for-expansion-and-retention' into 'master'

Update CODEOWNERS for growth expansion and retention

See merge request gitlab-com/www-gitlab-com!37089

.gitlab/CODEOWNERS

@@ -46,9 +46,9 @@
 /source/handbook/engineering/development/growth/ @bmarnane
 /source/handbook/engineering/development/growth/acquisition-conversion @jeromezng
 /source/handbook/engineering/development/growth/be-fulfillment/ @jameslopez
-/source/handbook/engineering/development/growth/expansion @bmarnane
+/source/handbook/engineering/development/growth/expansion @pcalder
 /source/handbook/engineering/development/growth/fe-fulfillment/ @chris_baus
-/source/handbook/engineering/development/growth/retention @bmarnane
+/source/handbook/engineering/development/growth/retention @pcalder
 /source/handbook/engineering/development/growth/telemetry/ @jameslopez
 /source/handbook/engineering/development/ops/ @dcroft
 /source/handbook/engineering/development/ops/configure/ @sengelhard