vsphere-cpi broken since flux bump

Summary

The vsphere-cpi HelmRelease fails with:

      Helm install failed for release kube-system/vsphere-cpi with chart vsphere-cpi@1.28.0: error while running post render on files: trouble configuring builtin PatchTransformer with config: `
      patch: |-
        kind:
        apiVersion: v1
        metadata:
          name: vsphere-cloud-config
          namespace: kube-system
        data:
          vsphere.conf: 'global:
          insecureFlag: true
          port: 443
          secretName: vsphere-cloud-secret
          secretNamespace: kube-system
        vcenter:
          '<server>':
            datacenters:
            - 'TIM'
            password: '<pwd>'
            server: '<server>'
            user: '<user>''
      `: unable to parse SM or JSON patch from [patch: "kind:\napiVersion: v1\nmetadata:\n  name: vsphere-cloud-config\n  namespace: kube-system\ndata:\n  vsphere.conf: 'global:\n  insecureFlag: true\n  port: 443\n  secretName: vsphere-cloud-secret\n  secretNamespace: kube-system\nvcenter:\n  '<server>':\n    datacenters:\n    - 'TIM'\n    password: '<pwd>'\n    server: '<server>'\n    user: '<user>''"]

The patch that fails come from https://gitlab.com/sylva-projects/sylva-core/-/blob/9f9596e637e06cc9dc04c8a4fff0c0fb38bb3580/charts/sylva-units/values.yaml#L4738-4748 and is meant to inject the vsphere.conf into a configMap

This error happens since the latest flux bump (!2653 (merged))