deps: bump cert-manager Helm chart to v1.16.1

[github-actions]

deps: bump cert-manager version

Update cert-manager/manifest.yaml

change detected: * key "$.version" updated from "v1.15.3" to "v1.16.1", in file "cert-manager/manifest.yaml"

v1.16.1

Release published on the 2024-10-09 13:48:06 +0000 UTC at the url https://github.com/cert-manager/cert-manager/releases/tag/v1.16.1

cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters.

The cert-manager 1.16 release includes: new Helm chart features, more Prometheus metrics, memory optimizations, and various improvements and bug fixes for the ACME issuer and Venafi Issuer.

📖 Read the [complete 1.16 release notes](https://cert-manager.io/docs/releases/release-notes/release-notes-1.16) before upgrading.

## 📜Changes since `v1.16.0`

### Bug or Regression

- BUGFIX: Helm schema validation: the new schema validation was too strict for the "global" section. Since the global section is shared across all charts and sub-charts, we must also allow unknown fields. ([#7348](https://github.com/cert-manager/cert-manager/pull/7348), [`@inteon`](https://github.com/inteon))
- BUGFIX: Helm will now accept percentages for the `podDisruptionBudget.minAvailable` and `podDisruptionBudget.maxAvailable` values. ([#7345](https://github.com/cert-manager/cert-manager/pull/7345), [`@inteon`](https://github.com/inteon))
- Helm: allow `enabled` to be set as a value to toggle cert-manager as a dependency. ([#7356](https://github.com/cert-manager/cert-manager/pull/7356), [`@inteon`](https://github.com/inteon))
- BUGFIX: A change in `v1.16.0` caused cert-manager's ACME ClusterIssuer to look in the wrong namespace for resources required for the issuance (e.g. credential Secrets). This is now fixed in `v1.16.1`. ([#7342](https://github.com/cert-manager/cert-manager/pull/7342), [`@inteon`](https://github.com/inteon))

Update cert-manager/install.sh

1 file(s) updated with "/download/v1.16.1/": * cert-manager/install.sh

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