New GCP region

Author: codyhoag

modules/installation-gcp-regions.adoc

@@ -27,6 +27,7 @@ regions:
 * `europe-west4` (Eemshaven, Netherlands)
 * `europe-west6` (Zürich, Switzerland)
 * `northamerica-northeast1` (Montréal, Québec, Canada)
+* `northamerica-northeast2` (Toronto, Ontario, Canada)
 * `southamerica-east1` (São Paulo, Brazil)
 * `us-central1` (Council Bluffs, Iowa, USA)
 * `us-east1` (Moncks Corner, South Carolina, USA)