Remove 1.25 from AKS versions (EOL on January 14th)

[xrstf]

What this PR does / why we need it:
https://learn.microsoft.com/en-us/azure/aks/supported-kubernetes-versions?tabs=azure-cli says 1.25 is soon going away.

What type of PR is this?
/kind chore

Does this PR introduce a user-facing change? Then add your Release Note here:

Remove 1.25 from list of supported versions on AKS (EOL on January 14th)

Documentation:

NONE

[kubermatic-bot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[embik]

/approve

[kubermatic-bot]

LGTM label has been added.

Git tree hash: e3795098419c531fd55603ee975c8910f0b00122

[kubermatic-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: embik

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 [embik]

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

[xrstf]

/cherrypick release/v2.24

[xrstf]

/cherrypick release/v2.23

[xrstf]

/cherrypick release/v2.22

[kubermatic-bot]

@xrstf: new pull request created: #12963

In response to this:

/cherrypick release/v2.24

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.

[kubermatic-bot]

@xrstf: #12962 failed to apply on top of branch "release/v2.23":

Applying: remove 1.25 from AKS versions (EOL on January 14th)
Using index info to reconstruct a base tree...
M	docs/zz_generated.kubermaticConfiguration.ce.yaml
M	docs/zz_generated.kubermaticConfiguration.ee.yaml
M	pkg/defaulting/configuration.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/defaulting/configuration.go
CONFLICT (content): Merge conflict in pkg/defaulting/configuration.go
Auto-merging docs/zz_generated.kubermaticConfiguration.ee.yaml
CONFLICT (content): Merge conflict in docs/zz_generated.kubermaticConfiguration.ee.yaml
Auto-merging docs/zz_generated.kubermaticConfiguration.ce.yaml
CONFLICT (content): Merge conflict in docs/zz_generated.kubermaticConfiguration.ce.yaml
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 remove 1.25 from AKS versions (EOL on January 14th)
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:

/cherrypick release/v2.23

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.

[kubermatic-bot]

@xrstf: #12962 failed to apply on top of branch "release/v2.22":

Applying: remove 1.25 from AKS versions (EOL on January 14th)
Using index info to reconstruct a base tree...
M	docs/zz_generated.kubermaticConfiguration.ce.yaml
M	docs/zz_generated.kubermaticConfiguration.ee.yaml
M	pkg/defaulting/configuration.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/defaulting/configuration.go
CONFLICT (content): Merge conflict in pkg/defaulting/configuration.go
Auto-merging docs/zz_generated.kubermaticConfiguration.ee.yaml
CONFLICT (content): Merge conflict in docs/zz_generated.kubermaticConfiguration.ee.yaml
Auto-merging docs/zz_generated.kubermaticConfiguration.ce.yaml
CONFLICT (content): Merge conflict in docs/zz_generated.kubermaticConfiguration.ce.yaml
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 remove 1.25 from AKS versions (EOL on January 14th)
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:

/cherrypick release/v2.22

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.