Update CAPI to v1.4.3

[mboersma]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Updates CAPI references to use the v1.4.3 release. Also bumps cert-manager to v1.12.1 to match CAPI. Reimplements some trivial string processing methods that were deprecated in CAPI.

Which issue(s) this PR fixes:

Closes #3613

Special notes for your reviewer:

• cherry-pick candidate

TODOs:

• squashed commits
• includes documentation
• adds unit tests

Release note:

Update CAPI to v1.4.3

[codecov]

Codecov Report

Patch coverage: 14.28% and project coverage change: -0.37 ⚠️

Comparison is base (dda6638) 53.58% compared to head (f043321) 53.21%.

❗ Current head f043321 differs from pull request most recent head 2864560. Consider uploading reports for the commit 2864560 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3612      +/-   ##
==========================================
- Coverage   53.58%   53.21%   -0.37%     
==========================================
  Files         185      185              
  Lines       18552    18431     -121     
==========================================
- Hits         9941     9808     -133     
- Misses       8069     8081      +12     
  Partials      542      542              

Impacted Files	Coverage Δ
azure/scope/machinepool.go	31.41% <0.00%> (+0.23%)	⬆️
util/azure/azure.go	22.78% <0.00%> (-3.69%)	⬇️
azure/scope/machine.go	50.71% <100.00%> (-0.80%)	⬇️

... and 12 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[mboersma]

/hold

Let's rebase this after #3616 merges, so it doesn't duplicate code.

[mboersma]

/hold cancel
/cherry-pick release-1.9

[k8s-infra-cherrypick-robot]

@mboersma: once the present PR merges, I will cherry-pick it on top of release-1.9 in a new PR and assign it to you.

In response to this:

/hold cancel
/cherry-pick release-1.9

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/test-infra repository.

[jackfrancis]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 5c938112c57a7f5a0fc20ac6d9914d8f20715de3

[mboersma]

/milestone v1.10

[mboersma]

/retest pull-cluster-api-provider-azure-e2e

docker pull docker.io/library/golang:1.20
1.20: Pulling from library/golang
received unexpected HTTP status: 503 Service Unavailable
make[1]: *** [Makefile:374: docker-pull-prerequisites] Error 1

[mboersma]

/test pull-cluster-api-provider-azure-e2e

[CecileRobertMichon]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 4141d180d8709f86c0d441a443f5e8b6593c0df2

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CecileRobertMichon

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 [CecileRobertMichon]

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

[k8s-infra-cherrypick-robot]

@mboersma: #3612 failed to apply on top of branch "release-1.9":

Applying: Update CAPI to v1.4.3
Using index info to reconstruct a base tree...
M	Makefile
M	Tiltfile
M	go.mod
M	go.sum
M	test/e2e/config/azure-dev.yaml
Falling back to patching base and 3-way merge...
Auto-merging test/e2e/config/azure-dev.yaml
Auto-merging go.sum
Auto-merging go.mod
Auto-merging Tiltfile
CONFLICT (content): Merge conflict in Tiltfile
Auto-merging Makefile
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Update CAPI to v1.4.3
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/hold cancel
/cherry-pick release-1.9

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/test-infra repository.