Update deploy-to-aks script

.github/workflows/deploy-to-aks.yaml

@@ -15,11 +15,31 @@ on:
   schedule:
     - cron: "17 0 * * 2"
 jobs:
+  preprocess:
+    runs-on: ubuntu-22.04
+    outputs:
+      processed_bundle_versions: ${{ steps.process_bundle_versions.outputs.bundle_versions }}
+    steps:
+      - name: Process bundle versions
+        id: process_bundle_versions
+        run: |
+          # Ensure that bundle_version has a value, fallback to default if not
+          if [ -z "${{ github.event.inputs.bundle_version }}" ]; then
+            INPUT_VERSIONS="1.8,1.9,latest"
+          else
+            INPUT_VERSIONS="${{ github.event.inputs.bundle_version }}"
+          fi
+          
+          # Convert the comma-separated values into a JSON array
+          JSON_ARRAY=$(echo "[\"${INPUT_VERSIONS//,/\",\"}\"]")
+          
+          # Set the JSON array as an output
+          echo "bundle_versions=${JSON_ARRAY}" >> $GITHUB_OUTPUT
   deploy-ckf-to-aks:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        bundle_version: ${{ fromJSON(format('["{0}"]', join('","', inputs.bundle_version.split(',')))) }}
+        bundle_version: ${{ fromJSON(needs.preprocess.outputs.processed_bundle_versions) }}
       fail-fast: false
     env:
       AZURE_CORE_OUTPUT: none