Workflow dispatch (MWG-Logan#35)

* Add workflow_dispatch trigger to deployment workflow

* Add workflow_dispatch trigger to dev deployment workflow

Author: MWG-Logan

.github/workflows/dev-publish-function.yml

@@ -1,6 +1,7 @@
 name: DEV - Deploy DotNet project to Azure Function App
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - dev

.github/workflows/prod-publish-function.yml

@@ -1,6 +1,7 @@
 name: PROD - Deploy DotNet project to Azure Function App
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main