fix: use repo name and pr number for cluster name

Author: waveywaves

.github/workflows/create-ucluster.yaml

@@ -1,10 +1,6 @@
 name: Uffizzi Cluster Quickstart
 
 on:
-  push:
-    branches:
-      - main
-
   pull_request:
     types: [opened,reopened,synchronize,closed]
 
@@ -13,21 +9,17 @@ permissions:
 
 jobs:
   uffizzi:
-
     name: Uffizzi
-
     runs-on: ubuntu-latest
-
     steps:
-
       - name: Create Uffizzi Cluster
         env:
           UFFIZZI_SERVER: https://pr-1074-deployment-29388-uffizzi-platform.app.uffizzi.com/
           UFFIZZI_USER: [email protected]
           UFFIZZI_PASSWORD: ${{ secrets.uffizzi_password }}
           UFFIZZI_PROJECT: default
           UFFIZZI_IMAGE: uffizzi/cli:pr-224
-          UFFIZZI_CLUSTER: pr-test12345 #pr-${{ github.event.number }}
+          UFFIZZI_CLUSTER: pr-${{ github.event.repository.name }}-${{ github.event.number }}
         run: |
           # Identify if a Cluster for this PR exists.
           if docker run --rm \