using lerna version in preprod job

.github/workflows/deploy-preprod.yml

@@ -23,9 +23,11 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: eu-west-1
 
-      - name: 'Get Previous tag'
-        id: previoustag
-        uses: "WyriHaximus/github-action-get-previous-tag@v1"
+      - name: Get the latest budibase release version
+        id: version
+        run: | 
+          release_version=$(cat lerna.json | jq -r '.version')
+          echo "RELEASE_VERSION=$release_version" >> $GITHUB_ENV
 
       # - name: Pull values.yaml from budibase-infra
       #   run: | 
@@ -43,7 +45,7 @@ jobs:
           token: ${{ github.token }}
           values: |
             globals: 
-              appVersion: ${{ steps.previoustag.outputs.tag }}
+              appVersion: v${{ env.RELEASE_VERSION }}
           # value-files: >-
           #   [
           #     "charts/budibase/values.yaml"