[Release 1.28] Bump multus and flannel images to fix CVE GO-2024-3106

[rbrtbnfgl]

Backport for #6770

[mdrahman-suse]

Validated on v1.28.14-rc3+rke2r1

[2024-09-17T22:11:17.053Z] rke2 version v1.28.14-rc3+rke2r1 (05928c524ec436f7d854c68dea34f3e3bf4d5287)
[2024-09-17T22:11:17.053Z] go version go1.22.6 X:boringcrypto 
[2024-09-17T22:11:17.053Z] 
[2024-09-17T22:11:17.053Z] Command:
[2024-09-17T22:11:17.053Z] kubectl get node -o yaml  --kubeconfig=/tmp/mdrke2128vb_kubeconfig  | grep multus-cni -A1
[2024-09-17T22:11:17.053Z] ---------------------
[2024-09-17T22:11:17.053Z] Assertion:
[2024-09-17T22:11:17.053Z] v4.1.0-build20240910
[2024-09-17T22:11:17.053Z] ----------------------
[2024-09-17T22:11:17.053Z] Matched with result:
[2024-09-17T22:11:17.053Z] - docker.io/rancher/hardened-multus-cni@sha256:c94f19d908e91ce7c28e68a2d70366374ab21f1b2c9f06bcffdcd91b0a63d1f5
[2024-09-17T22:11:17.054Z]       - docker.io/rancher/hardened-multus-cni:v4.1.0-build20240910
[2024-09-17T22:11:17.054Z]       sizeBytes: 37427067
[2024-09-17T22:11:17.054Z] 
[2024-09-17T22:11:17.054Z] Command:
[2024-09-17T22:11:17.054Z] kubectl -n kube-system get pods -l k8s-app=canal -o jsonpath={..image}  --kubeconfig=/tmp/mdrke2128vb_kubeconfig  | awk '{for(i=1;i<=NF;i++) if($i ~ /calico/) print $i}'
[2024-09-17T22:11:17.054Z] ---------------------
[2024-09-17T22:11:17.054Z] Assertion:
[2024-09-17T22:11:17.054Z] v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] ----------------------
[2024-09-17T22:11:17.054Z] Matched with result:
[2024-09-17T22:11:17.054Z] rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] docker.io/rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] docker.io/rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] docker.io/rancher/hardened-calico:v3.28.1-build20240911
[2024-09-17T22:11:17.054Z] 
[2024-09-17T22:11:17.054Z] Command:
[2024-09-17T22:11:17.054Z] kubectl -n kube-system get pods -l k8s-app=canal -o jsonpath={..image}  --kubeconfig=/tmp/mdrke2128vb_kubeconfig  | awk '{for(i=1;i<=NF;i++) if($i ~ /flannel/) print $i}'
[2024-09-17T22:11:17.054Z] ---------------------
[2024-09-17T22:11:17.054Z] Assertion:
[2024-09-17T22:11:17.054Z] v0.25.6-build20240910
[2024-09-17T22:11:17.054Z] ----------------------
[2024-09-17T22:11:17.054Z] Matched with result:
[2024-09-17T22:11:17.054Z] docker.io/rancher/hardened-flannel:v0.25.6-build20240910
[2024-09-17T22:11:17.054Z] rancher/hardened-flannel:v0.25.6-build20240910