🌱 Bump Go version to v1.22 Helm to v3.15.1

[Jont828]

What this PR does / why we need it: Bump Helm to v3.15.1 manually b/c it requires changing the Go version.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Jont828

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [Jont828]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

@Jont828: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cluster-api-addon-provider-helm-verify-main	189ccc8	link	true	/test pull-cluster-api-addon-provider-helm-verify-main
pull-cluster-api-addon-provider-helm-build-main	189ccc8	link	true	/test pull-cluster-api-addon-provider-helm-build-main
pull-cluster-api-addon-provider-helm-test-main	189ccc8	link	true	/test pull-cluster-api-addon-provider-helm-test-main
pull-cluster-api-addon-provider-helm-test-mink8s-main	189ccc8	link	true	/test pull-cluster-api-addon-provider-helm-test-mink8s-main
pull-cluster-api-addon-provider-helm-e2e	189ccc8	link	true	/test pull-cluster-api-addon-provider-helm-e2e
pull-cluster-api-addon-provider-helm-capi-e2e	189ccc8	link	false	/test pull-cluster-api-addon-provider-helm-capi-e2e

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[Jont828]

/hold

This is blocked since CAPI uses k8s.io v0.29 and Helm v3.15 uses k8s.io v0.30 as well as controller runtime v0.18.

[k8s-ci-robot]

PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.