Seeing errors installing cert-manager v1.5.3 after the CAPI bump

[saimanoj01]

Bug description
We are leveraging CAPI to pull the cert-manager deployment manifests when creating/upgrading management cluster. This is resulting in error due to GitHub rate limiting.

06:40:09  Checking cert-manager version...
06:40:09  Deleting cert-manager Version="v1.1.0"
06:40:11  Installing cert-manager Version="v1.5.3"
06:40:12  Error: failed to upgrade management cluster providers: failed to apply providers upgrade: failed to get repository client for the  with name cert-manager: error creating the GitHub repository client: failed to get GitHub latest version: failed to get repository versions: failed to get repository versions: rate limit for github api has been reached. Please wait one hour or get a personal API tokens a assign it to the GITHUB_TOKEN environment variable 

https://github.com/kubernetes-sigs/cluster-api/blob/main/cmd/clusterctl/client/config/cert_manager_client.go#L69

Affected product area (please put an X in all that apply)

• APIs
• Addons
• CLI
• Docs
• IAM
• Installation
• Plugin
• Security
• Test and Release
• User Experience

Expected behavior

Steps to reproduce the bug

Version (include the SHA if the version is not obvious)

Environment where the bug was observed (cloud, OS, etc)

Relevant Debug Output (Logs, manifests, etc)