feat: switch to charttool based dependency fetching

.github/workflows/charts-lint.yaml

@@ -102,9 +102,7 @@ jobs:
           charts_path: "./"
         run: |
           CHANGED=$(echo '${{ steps.list-changed.outputs.CHANGED_CHARTS }}' | jq --raw-output '.[]')
-          for changed in ${CHANGED}; do
-            .github/scripts/fetch_helm_deps.sh "${changed}"
-          done
+          charttool deps ${CHANGED}
 
       - name: Run Chart Linting
         continue-on-error: true

.github/workflows/charts-release.yaml

@@ -263,10 +263,7 @@ jobs:
           steps.collect-changes.outputs.changesDetectedAfterTag == 'true'
         run: |
           CHARTS=(${{ steps.collect-changes.outputs.modifiedChartsAfterTag }})
-          charts_path="charts"
-          for changed in ${CHARTS[@]}; do
-            .github/scripts/fetch_helm_deps.sh "${changed}"
-          done
+          charttool deps ${CHARTS[@]}
           pip install yq
           parthreads=$(($(nproc) * 2))
           parallel -j ${parthreads} .github/scripts/build-catalog.sh '2>&1' ::: ${CHARTS[@]}