feat: use upstream settings for diff

[cwrau]

This way the diffs are more readable

[yxxhero]

@cwrau what's the difference?

[cwrau]

@cwrau what's the difference?

For once, of course whitespace changes like the following;

- {"verdict":["DROPPED","ERROR"]}   + {"verdict":["DROPPED","ERROR"]}··

notice the ·· at the end indicating whitespace changes, aren't shown now.

Better k8s object detection (was true by default, but always specified upstream as well)

And similar names are detected via the DetectRenames, like if two resources have nearly the same name (happens often if you have hashes in the resource name like with ReplicaSets or other resources that are immutable but need to be "modified") it detects that (this is the core reason for this PR)

and instead of

(root level)  (infrastructure.cluster.x-k8s.io/v1beta1/OpenStackMachineTemplate/teuto-portal-clusters/1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-f32c22d2)
- one document removed:
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: OpenStackMachineTemplate
metadata:
  name: 1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-f32c22d2
  namespace: teuto-portal-clusters
  labels:
    app.kubernetes.io/instance: 1e3e22ce-6364-448e-85b9-d7a826cbd477
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/name: t8s-cluster
    helm.sh/chart: t8s-cluster-9.6.0
    helm.toolkit.fluxcd.io/name: 1e3e22ce-6364-448e-85b9-d7a826cbd477
    helm.toolkit.fluxcd.io/namespace: teuto-portal-clusters
spec:
  template:
    spec:
      flavor: standard.2.1905
      identityRef:
        name: 1e3e22ce-6364-448e-85b9-d7a826cbd477-cloud-config
        cloudName: openstack
      image:
        filter:
          name: placeholder
      securityGroups: []
      serverGroup:
        filter:
          name: control-plane

(root level)  (infrastructure.cluster.x-k8s.io/v1beta1/OpenStackMachineTemplate/teuto-portal-clusters/1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-74d64c12)
+ one document added:
---
# Source: t8s-cluster/templates/management-cluster/clusterClass/openStackMachineTemplates/openStackMachineTemplates.yaml
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: OpenStackMachineTemplate
metadata:
  name: 1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-74d64c12
  namespace: teuto-portal-clusters
  labels:
    app.kubernetes.io/name: t8s-cluster
    helm.sh/chart: t8s-cluster-9.5.2
    app.kubernetes.io/instance: 1e3e22ce-6364-448e-85b9-d7a826cbd477
    app.kubernetes.io/managed-by: Helm
spec:
  template:
    spec:
      flavor: standard.2.1905
      image:
        filter:
          name: placeholderr
      identityRef:
        name: 1e3e22ce-6364-448e-85b9-d7a826cbd477-cloud-config
        cloudName: openstack
      securityGroups: []
      serverGroup:
        filter:
          name: control-plane

it shows

metadata.name  (infrastructure.cluster.x-k8s.io/v1beta1/OpenStackMachineTemplate/teuto-portal-clusters/1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-74d64c12)
± value change
- 1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-f32c22d2
+ 1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-74d64c12

spec.template.spec.image.filter.name  (infrastructure.cluster.x-k8s.io/v1beta1/OpenStackMachineTemplate/teuto-portal-clusters/1e3e22ce-6364-448e-85b9-d7a826cbd477-control-plane-74d64c12)
± value change
- placeholder
+ placeholderr

[yxxhero]

@cwrau are there any break changes?