Install latest version of helm via apt

helm-package-push/action.yml

@@ -22,9 +22,16 @@ runs:
   using: composite
   steps:
     - name: Install Helm
-      uses: azure/setup-helm@v4
-      with:
-        version: latest
+      shell: bash
+      run: |
+        curl -fsSL https://packages.buildkite.com/helm-linux/helm-debian/gpgkey \
+          | gpg --dearmor \
+          | sudo tee /usr/share/keyrings/helm.gpg > /dev/null
+        echo "deb [signed-by=/usr/share/keyrings/helm.gpg] https://packages.buildkite.com/helm-linux/helm-debian/any/ any main" \
+          | sudo tee /etc/apt/sources.list.d/helm-stable-debian.list
+        sudo apt-get update -qq
+        sudo apt-get install -y helm
+        helm version --short
 
     - name: Inject image tag into chart values
       shell: bash