message: fix: namespace flag
diff: @@ -36,7 +36,7 @@ You can delete them afterwards.
  ### API DB
  ```
  -kubectl --lagoon-core exec -it lagoon-core-api-db-0 -- \
  +kubectl --namespace lagoon-core exec -it lagoon-core-api-db-0 -- \
  sh -c 'mysqldump --max-allowed-packet=500M --events \
  --routines --quick --add-locks --no-autocommit \
  --single-transaction infrastructure | gzip -9 > \
  @@ -45,7 +45,7 @@ kubectl --lagoon-core exec -it lagoon-core-api-db-0 -- \
  ### Keycloak DB
  ```
  -kubectl --lagoon-core exec -it lagoon-core-keycloak-db-0 -- \
  +kubectl --namespace lagoon-core exec -it lagoon-core-keycloak-db-0 -- \
  sh -c 'mysqldump --max-allowed-packet=500M --events \
  --routines --quick --add-locks --no-autocommit \
  --single-transaction keycloak | gzip -9 > \
  