Update https configuration to match the updated cert-manager version ( v1.7.1)

[Pedro Monteiro Azevedo de Moura Almeida]

Brief Description
-----------------

Update cert-manager API docs from v1alpha2 to v1.

Severity
--------
Minor

Description
--------

During the cert-manager migration to FluxCD it was also up-versioned to version 1.7.1:

https://review.opendev.org/c/starlingx/cert-manager-armada-app/+/831956
https://review.opendev.org/c/starlingx/cert-manager-armada-app/+/838590

To match the new cert-manager version, the api version on our helm-chart documentation also needs to be updated to v1 (instead of v1alpha2).

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/docs/+/846060

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/starlingx/docs/+/846060
Committed: https://opendev.org/starlingx/docs/commit/25f9cc35db6a17bfd9ef06aa94a7d3f64cdd04a8
Submitter: "Zuul (22348)"
Branch: master

commit 25f9cc35db6a17bfd9ef06aa94a7d3f64cdd04a8
Author: Pedro Almeida <email address hidden>
Date: Tue Jun 21 10:33:31 2022 -0300

    Update cert-manager version to v1 from v1alpha2

    Following the cert-manager migration to FluxCD, it was upversioned to
    v1.7.1 from v0.41.2, which means we need to update our helm-chart
    docs to use v1 instead of v1alpha2.

    Closes-Bug: #1978858

    Signed-off-by: Pedro Almeida <email address hidden>
    Change-Id: I79955ed7412c0961b315f3b8a8cabd9dfce88fbf