build: automatic update of edge-testkube-cloud-api

updates image kubeshop/testkube-cloud-api tag '1.11.26-rc.5' to '1.11.26-rc.6'
updates image kubeshop/testkube-migration tag '1.11.26-rc.5' to '1.11.26-rc.6'

Author: argocd-image-updater

charts/testkube-cloud-api/.argocd-source-edge-testkube-cloud-api.yaml

@@ -4,11 +4,11 @@ helm:
     value: docker.io/kubeshop/testkube-cloud-api
     forcestring: true
   - name: image.tag
-    value: 1.11.26-rc.5
+    value: 1.11.26-rc.6
     forcestring: true
   - name: migrationImage.name
     value: docker.io/kubeshop/testkube-migration
     forcestring: true
   - name: migrationImage.tag
-    value: 1.11.26-rc.5
+    value: 1.11.26-rc.6
     forcestring: true