chore: add canary entry

Author: logaretm

.github/workflows/canary.yml

@@ -120,6 +120,9 @@ jobs:
           - test-application: 'nestjs-microservices'
             build-command: 'test:build-latest'
             label: 'nestjs-microservices (latest)'
+          - test-application: 'nitro-3'
+            build-command: 'test:build-canary'
+            label: 'nitro-3 (canary)'
 
     steps:
       - name: Check out current commit