Bump ASO to v2.15.1

[nojnhuh]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:

This PR updates the version of ASO CAPZ is compiled against and installs to v2.15.1.

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 #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

CAPZ now installs Azure Service Operator (ASO) v2.15.1

[k8s-ci-robot]

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[nojnhuh]

/test ?

[k8s-ci-robot]

@nojnhuh: The following commands are available to trigger required jobs:

/test pull-cluster-api-provider-azure-apiversion-upgrade

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

/test pull-cluster-api-provider-azure-ci-entrypoint

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

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

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

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

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

The following commands are available to trigger optional jobs:

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

/test pull-cluster-api-provider-azure-apiserver-ilb

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

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

/test pull-cluster-api-provider-azure-conformance-azl3-with-ci-artifacts

/test pull-cluster-api-provider-azure-conformance-custom-builds

/test pull-cluster-api-provider-azure-conformance-dual-stack-with-ci-artifacts

/test pull-cluster-api-provider-azure-conformance-ipv6-with-ci-artifacts

/test pull-cluster-api-provider-azure-conformance-with-ci-artifacts

/test pull-cluster-api-provider-azure-conformance-with-ci-artifacts-dra

/test pull-cluster-api-provider-azure-dra-scalability

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

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

/test pull-cluster-api-provider-azure-load-test-1k-dra-with-workload-custom-builds

/test pull-cluster-api-provider-azure-load-test-custom-builds

/test pull-cluster-api-provider-azure-load-test-dra-custom-builds

/test pull-cluster-api-provider-azure-load-test-dra-with-workload-custom-builds

/test pull-cluster-api-provider-azure-perf-test-apiserver-availability

/test pull-cluster-api-provider-azure-windows-custom-builds

/test pull-cluster-api-provider-azure-windows-with-ci-artifacts

Use /test all to run the following jobs that were automatically triggered:

pull-cluster-api-provider-azure-apidiff

pull-cluster-api-provider-azure-build

pull-cluster-api-provider-azure-capi-e2e

pull-cluster-api-provider-azure-ci-entrypoint

pull-cluster-api-provider-azure-e2e

pull-cluster-api-provider-azure-e2e-aks

pull-cluster-api-provider-azure-e2e-workload-upgrade

pull-cluster-api-provider-azure-test

pull-cluster-api-provider-azure-verify

In response to this:

/test ?

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.

[nojnhuh]

/test pull-cluster-api-provider-azure-apiversion-upgrade

[nojnhuh]

/test pull-cluster-api-provider-azure-apiversion-upgrade

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 44.64%. Comparing base (37d47aa) to head (c070f16).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5997   +/-   ##
=======================================
  Coverage   44.64%   44.64%           
=======================================
  Files         279      279           
  Lines       25244    25244           
=======================================
  Hits        11271    11271           
  Misses      13150    13150           
  Partials      823      823           

☔ View full report in Codecov by Sentry.
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[k8s-ci-robot]

@nojnhuh: 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-provider-azure-e2e-aks	c070f16	link	true	/test pull-cluster-api-provider-azure-e2e-aks
pull-cluster-api-provider-azure-apiversion-upgrade	c070f16	link	true	/test pull-cluster-api-provider-azure-apiversion-upgrade

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.

[nojnhuh]

Possibly blocked on Azure/azure-service-operator#4926 (comment)

/hold