Fix deprecation warnings (#7)

- update dependencies
- replace usage of ::set-output

https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

.github/workflows/package-docker-image.yaml

@@ -12,8 +12,8 @@ jobs:
     name: Build and push docker image
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: docker/login-action@v1
+      - uses: actions/checkout@v3
+      - uses: docker/login-action@v2
         with:
           username: ${{ secrets.BYD_DOCKERHUB_USER }}
           password: ${{ secrets.BYD_DOCKERHUB_PASSWORD }}

README.md

@@ -38,7 +38,7 @@ The version of the chart that was published. Ex: 0.1.1641463259
 ## Example usage
 
 ```yaml
-uses: ePages-de/action-package-helm-chart@v1
+uses: ePages-de/action-package-helm-chart@v4
 with:
     build-timestamp: ${{ needs.build.outputs.build-timestamp }} # generated during build
     project-chart-name: "product-finder"

action.yml

@@ -31,10 +31,10 @@ outputs:
 runs:
   using: 'composite'
   steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Download generated messaging helm values ⬇️
       if: ${{ inputs.has-messaging == 'true' }}
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v3
       with:
         name: message-artifact-values
         path: build/message-artifacts-helm

package-action/entrypoint.sh

@@ -95,5 +95,5 @@ curl -sS --fail -u "${ARTIFACTORY_USERNAME}:${ARTIFACTORY_PASSWORD}" \
   -T "${helm_package_name}"
 
 # Set the output parameters
-echo '' # The set-output needs to be in a new line to work
-echo "::set-output name=chart-version::${new_chart_version}"
+echo '' # This needs to be in a new line to work
+echo "chart-version=${new_chart_version}" >> $GITHUB_OUTPUT