Fix calico RKE2 Calico release notes

[johnatasr]

Proposed Changes

• Created a function to treat Calico's url in conformity with Tigera.io lastest changes for release notes
• RKE2 template changes

Types of Changes

• backend code

Verification

1 - Compile this ecm-distro-tools branch
2 - Execute ./cmd/gen_release_notes/bin/gen_release_notes -r rke2 -m v1.27.4+rke2r1 -p v1.27.3+rke2r1
3 - Must show like this:

## Packaged Component Versions
| Component | Version |
| --- | --- |
| Kubernetes | [v1.27.4](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1274) |
| Etcd | [v3.5.7-k3s1](https://github.com/k3s-io/etcd/releases/tag/v3.5.7-k3s1) |
| Containerd | [v1.7.1-k3s1](https://github.com/k3s-io/containerd/releases/tag/v1.7.1-k3s1) |
| Runc | [v1.1.7](https://github.com/opencontainers/runc/releases/tag/v1.1.7) |
| Metrics-server | [v0.6.3](https://github.com/kubernetes-sigs/metrics-server/releases/tag/v0.6.3) |
| CoreDNS | [v1.10.1](https://github.com/coredns/coredns/releases/tag/v1.10.1) |
| Ingress-Nginx | [4.6.1](https://github.com/kubernetes/ingress-nginx/releases/tag/helm-chart-4.6.1) |
| Helm-controller | [v0.15.2](https://github.com/k3s-io/helm-controller/releases/tag/v0.15.2) |

### Available CNIs
| Component | Version | FIPS Compliant |
| --- | --- | --- |
| Canal (Default) | [Flannel v0.22.0](https://github.com/k3s-io/flannel/releases/tag/v0.22.0)<br/>[Calico v3.25.1](https://projectcalico.docs.tigera.io/archive/v3.25/release-notes/#v3.25.1) | Yes |
| Calico | [v3.26.1](https://docs.tigera.io/calico/latest/release-notes/#v3.26) | No |
| Cilium | [v1.13.2](https://github.com/cilium/cilium/releases/tag/v1.13.2) | No |
| Multus | [v4.0.2](https://github.com/k8snetworkplumbingwg/multus-cni/releases/tag/v4.0.2) | No |

Testing

Local test

Linked Issues

#231

User-Facing Change

Further Comments

[tashima42]

works