Add URL after staging deploys (#54759)

Author: heiskr

config/moda/deployment.yaml

@@ -17,6 +17,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-boxwood.githubapp.com/
 
   - name: staging-cedar
     require_pipeline: false
@@ -26,6 +27,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-cedar.githubapp.com/
 
   - name: staging-cypress
     require_pipeline: false
@@ -35,6 +37,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-cypress.githubapp.com/
 
   - name: staging-fir
     require_pipeline: false
@@ -44,6 +47,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-fir.githubapp.com/
 
   - name: staging-hemlock
     require_pipeline: false
@@ -53,6 +57,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-hemlock.githubapp.com/
 
   - name: staging-holly
     require_pipeline: false
@@ -62,6 +67,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-holly.githubapp.com/
 
   - name: staging-juniper
     require_pipeline: false
@@ -71,6 +77,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-juniper.githubapp.com/
 
   - name: staging-laurel
     require_pipeline: false
@@ -80,6 +87,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-laurel.githubapp.com/
 
   - name: staging-pine
     require_pipeline: false
@@ -89,6 +97,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-pine.githubapp.com/
 
   - name: staging-redwood
     require_pipeline: false
@@ -98,6 +107,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-redwood.githubapp.com/
 
   - name: staging-sequoia
     require_pipeline: false
@@ -107,6 +117,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-sequoia.githubapp.com/
 
   - name: staging-spruce
     require_pipeline: false
@@ -116,6 +127,7 @@ environments:
     cluster_selector:
       profile: general
       region: iad
+    extra_completed_message: Review at https://docs-internal-staging-spruce.githubapp.com/
 
 required_builds:
   - docs-internal-moda-config-bundle / docs-internal-moda-config-bundle