chore: Pin helm-version to v3.19.2 in k8s-bake action

Co-authored-by: davidgamero <[email protected]>

Author: Copilot

.github/workflows/integration-per-language.yml

@@ -100,7 +100,7 @@ jobs:
           overrideFiles: ./langtest/charts/values.yaml
           overrides: |
             replicas:2
-          helm-version: "latest"
+          helm-version: "v3.19.2"
           releaseName: "test-release"
         id: bake
       - name: Build and Push image