Change pull_request trigger from array to object

Signed-off-by: Vanessa Sochat <[email protected]>

Author: vsoch

.github/workflows/build-deploy.yaml

@@ -5,7 +5,7 @@ on:
   release:
     types: [published]
 
-  pull_request: []
+  pull_request: {}
 
   # On push to main we build and deploy images
   push: