… annotations to examples (#990)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://github.com/actions/checkout) |
action | major | `v5` -> `v6` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

### [`v6`](https://github.com/actions/checkout/compare/v5...v6)

[Compare
Source](https://github.com/actions/checkout/compare/v5...v6)

</details>

---

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Remove `dotnet` from `KubeOpsCli` command in `KubeOps.Operator.targets`.

## References

-
#988 (comment)

…#987)

This is to avoid dotnet warning:

Warning: use of 'dotnet new --install' is deprecated. Use 'dotnet new
install' instead.

BREAKING CHANGE: Change of return types of finalizers and controllers.
To migrate, you'll need to change all instances of finalizers and controllers
to the new return types `Task<ReconciliationResult<TEntity>>` instead
of `Task`. Use the `ReconciliationResult<TEntity>` provided methods
to return your result.

BREAKING CHANGE: `IEntityController<TEntity>` resides now in the
`KubeOps.Abstractions.Reconciliation.Controller` namespace instead of
`KubeOps.Abstractions.Controller`.

BREAKING CHANGE: `IEntityFinalizer<TEntity>` resides now in the
`KubeOps.Abstractions.Reconciliation.Finalizer` namespace instead of
`KubeOps.Abstractions.Finalizer`.

BREAKING CHANGE: `EntityRequeue` resides now in the
`KubeOps.Abstractions.Reconciliation.Queue` namespace instead of
`KubeOps.Abstractions.Queue`.

BREAKING CHANGE: `IEntityRequeueFactory` resides now in the
`KubeOps.Abstractions.Reconciliation.Queue` namespace instead of
`KubeOps.Abstractions.Queue`.

BREAKING CHANGE: "semi breaking"; compatible finalizers
are attached and detached by default now. If there exists a type
that supports finalizing a given entity type, it will be attached
by default. This setting can be configured by `AutoAttachFinalizers`
and `AutoDetachFinalizers` in the operator settings.

BREAKING CHANGE: The `MutationResult` record is now
sealed.