build(deps): bump helm/chart-testing-action from 2.6.0 to 2.6.1 in the production-dependencies group (#8435)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/platform-autogpt-infra-ci.yml

@@ -41,7 +41,7 @@ jobs:
           version: v3.14.4
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.0
+        uses: helm/chart-testing-action@v2.6.1
 
       - name: Run chart-testing (list-changed)
         id: list-changed