Add workflow dispatch

Author: pamelafox

.github/workflows/evaluate.yaml

@@ -15,10 +15,6 @@ permissions:
 
 jobs:
   evaluate:
-    if: |
-      contains('["OWNER", "CONTRIBUTOR", "COLLABORATOR", "MEMBER"]', github.event.comment.author_association) &&
-      github.event.issue.pull_request &&
-      github.event.comment.body == '/evaluate'
     runs-on: ubuntu-latest
     env:
       # azd required