chore(deps): update kagent docker tag to v0.7.5

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gitops/argocd/charts/mcp/kagent/Chart.yaml

@@ -10,4 +10,4 @@ appVersion: 1.0.0
 dependencies:
 - name: kagent
   repository: oci://ghcr.io/kagent-dev/kagent/helm
-  version: 0.7.4
+  version: 0.7.5