feat(github-release): update k3s-io/k3s to v1.34.1+k3s1

Author: trap-renovate[bot]

system-upgrade/agent-plan.yaml

@@ -21,4 +21,4 @@ spec:
   upgrade:
     image: rancher/k3s-upgrade
   # renovate:k3s
-  version: "v1.33.4+k3s1"
+  version: "v1.34.1+k3s1"

system-upgrade/server-plan.yaml

@@ -16,4 +16,4 @@ spec:
   upgrade:
     image: rancher/k3s-upgrade
   # renovate:k3s
-  version: "v1.33.4+k3s1"
+  version: "v1.34.1+k3s1"