fix: pass datacenter

[faiq]

What problem does this PR solve?:
when a user specifies dry-run when building a vm template, govc is unable to delete the image properly due to a missing flag

Which issue(s) does this PR fix?:

• https://jira.d2iq.com/browse/D2IQ-NUMBER

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[github-actions]

File	Coverage
All files	14%	❌
cmd/konvoy-image-wrapper/cmd/wrapper.go	8%	❌
cmd/konvoy-image-wrapper/image/common.go	0%	❌
cmd/konvoy-image-wrapper/image/image_not_embedded.go	0%	❌
pkg/ansible/runner.go	0%	❌
pkg/app/artifacts.go	0%	❌
pkg/app/build.go	0%	❌
pkg/app/build_azure.go	2%	❌
pkg/app/build_gcp.go	0%	❌
pkg/app/config.go	50%	❌
pkg/app/errors.go	0%	❌
pkg/app/provision.go	0%	❌
pkg/app/root.go	0%	❌
pkg/app/utils.go	7%	❌
pkg/app/validate.go	0%	❌
pkg/appansible/io.go	0%	❌
pkg/appansible/playbook.go	0%	❌
pkg/azure/azure.go	0%	❌
pkg/logging/logger.go	0%	❌
pkg/packer/manifest.go	0%	❌
pkg/packer/packer.go	0%	❌
pkg/stringutil/rand.go	0%	❌
pkg/version/info.go	8%	❌

Minimum allowed coverage is 75%

Generated by 🐒 cobertura-action against 6b262e6

[supershal]

Please fix it in https://github.com/mesosphere/konvoy-image-builder/blob/main/.github/workflows/release-vsphere-template.yaml too.

[supershal]

Please fix it in https://github.com/mesosphere/konvoy-image-builder/blob/main/.github/workflows/release-vsphere-template.yaml too.

Release job wont delete the template. This change is not needed.