add dep up step in helm releaser

Author: VineethReddy02

.github/workflows/helm-releaser.yml

@@ -25,6 +25,7 @@ jobs:
            AWS_SECRET_ACCESS_KEY: ${{ secrets.ORG_AWS_HELM_CHART_BUCKET_SECRET_ACCESS_KEY }}
          run: |
              mkdir -p chart_release
+             helm dep up chart
              helm package chart -d chart_release/
              helm plugin install https://github.com/hypnoglow/helm-s3.git          
              helm repo add tscharts s3://charts.timescale.com