[Release 1.27] Bump flannel to rke2-flannel-v0.25.5

[rbrtbnfgl]

Backport for #6497

[VestigeJ]

$ VERSION=v1.27.16+rke2r1
$ sudo INSTALL_RKE2_VERSION=$VERSION INSTALL_RKE2_EXEC=server ./install-rke2.sh

[INFO]  using v1.27.16+rke2r1 as release
[INFO]  downloading checksums at https://github.com/rancher/rke2/releases/download/v1.27.16+rke2r1/sha256sum-amd64.txt
[INFO]  downloading tarball at https://github.com/rancher/rke2/releases/download/v1.27.16+rke2r1/rke2.linux-amd64.tar.gz
[INFO]  verifying tarball
[INFO]  unpacking tarball file to /usr/local

$ go_rke2

Created symlink /etc/systemd/system/multi-user.target.wants/rke2-server.service → /usr/local/lib/systemd/system/rke2-server.service.

$ kgp -n kube-system rke2-canal-d6z6h -o yaml | grep -i image:

    image: rancher/hardened-calico:v3.28.0-build20240625
    image: rancher/hardened-flannel:v0.25.4-build20240610
    image: rancher/hardened-calico:v3.28.0-build20240625
    image: rancher/hardened-calico:v3.28.0-build20240625
    image: docker.io/rancher/hardened-calico:v3.28.0-build20240625
    image: docker.io/rancher/hardened-flannel:v0.25.4-build20240610
    image: docker.io/rancher/hardened-calico:v3.28.0-build20240625
    image: docker.io/rancher/hardened-calico:v3.28.0-build20240625

$ COMMIT=43f26601c313193214edb28dd9e059c41f3e0548
$ sudo INSTALL_RKE2_COMMIT=$COMMIT INSTALL_RKE2_EXEC=server ./install-rke2.sh

[INFO]  using commit 43f26601c313193214edb28dd9e059c41f3e0548 as release
[INFO]  downloading airgap checksums at https://rke2-ci-builds.s3.amazonaws.com/rke2-images.linux-amd64-43f26601c313193214edb28dd9e059c41f3e0548.tar.zst.sha256sum
[INFO]  downloading airgap tarball at https://rke2-ci-builds.s3.amazonaws.com/rke2-images.linux-amd64-43f26601c313193214edb28dd9e059c41f3e0548.tar.zst
[INFO]  downloading checksums at https://rke2-ci-builds.s3.amazonaws.com/rke2.linux-amd64-43f26601c313193214edb28dd9e059c41f3e0548.tar.gz.sha256sum
[INFO]  downloading tarball at https://rke2-ci-builds.s3.amazonaws.com/rke2.linux-amd64-43f26601c313193214edb28dd9e059c41f3e0548.tar.gz
[INFO]  verifying airgap tarball
[INFO]  installing airgap tarball to /var/lib/rancher/rke2/agent/images
[INFO]  verifying tarball
[INFO]  unpacking tarball file to /usr/local

$ sudo systemctl restart rke2-server
$ kgp -n kube-system rke2-canal-srjwc -o yaml | grep -i image:

    image: rancher/hardened-calico:v3.28.1-build20240806
    image: rancher/hardened-flannel:v0.25.5-build20240801
    image: rancher/hardened-calico:v3.28.1-build20240806
    image: rancher/hardened-calico:v3.28.1-build20240806
    image: docker.io/rancher/hardened-calico:v3.28.1-build20240806
    image: docker.io/rancher/hardened-flannel:v0.25.5-build20240801
    image: docker.io/rancher/hardened-calico:v3.28.1-build20240806
    image: docker.io/rancher/hardened-calico:v3.28.1-build20240806