build: fix app_version not being picked up

.github/workflows/bump-chart-version.yml

@@ -41,7 +41,7 @@ jobs:
       # this commit will effectively cause another run of the workflow which then actually performs the helm chart release
       - run: |
           npm install -g semver
-          make chart-bump-version CHART="${{ inputs.chart }}" APP_VERSION="${{ needs.build-images.outputs.version }}"
+          make chart-bump-version CHART="${{ inputs.chart }}" APP_VERSION="${{ inputs.app_version }}"
           git config user.name "$GITHUB_ACTOR"
           git config user.email "[email protected]"
           git commit -am "chore: update helm chart version"