ova build failed due to unknown configuration key output_filename

[sachinphogat]

Error: Failed to prepare build: "vmware-vmx"
1 error occurred:

• unknown configuration key: '"output_filename"'

Full Output:
kubernetes_rpm_version=1.29.10' --var 'kubernetes_semver=v1.29.10' --var 'kubernetes_series=v1.29' --var 'kubernetes_deb_version=1.29.10*' -color=true -on-error=ask -var-file="packer/ova/packer-common.json" -var-file="/home/packer/gitlab-runner-builds/builds/t2_FAJXay/0/novamesh/iks/image-builder/images/capi/packer/ova/ubuntu-2204.json" -var-file="packer/ova/vmx.json" -except=vsphere -except=vmware-iso -only=vmware-vmx packer/ova/packer-node.json
Error: Failed to prepare build: "vmware-vmx"
1 error occurred:

• unknown configuration key: '"output_filename"'
  make[1]: *** [Makefile:456: build-node-ova-local-vmx-ubuntu-2204] Error 1
  make[1]: Leaving directory '/home/packer/gitlab-runner-builds/builds/t2_FAJXay/0/novamesh/iks/image-builder/images/capi'
  make: *** [Makefile:37: build-node-ova-local-vmx-ubuntu-2204] Error

---

/kind bug

[sachinphogat]

#1477 (comment)

This is due to above merge request.