Update migration for TFOD and MaskRCNN

[savan77]

Describe the bug
A clear and concise description of what the bug is.

The templates were updated to set visibility to internal for some variables like cvat-annotation-path. But somehow it was missed from the migration and the current migration has private as the visibility.

opctl version

$ opctl version

CLI version: v0.16.0-rc.0
Manifest version: v0.16.0-rc.0
API version: v0.16.0-rc.0
Web UI version: v0.16.0-rc.0

opctl init command
You can find this at the top of your params.yaml file. [e.g. opctl init --provider eks --artifact-repository-provider s3 --gpu-device-plugins nvidia]

Kubernetes information

• Cloud provider: [e.g. AKS, EKS, GKE, Microk8s]
• Kubernetes version: [e.g. 1.17.13]

Machine information

• OS: [e.g. Ubuntu 18.04, Windows 10 19042.631, macOS 10.14.6]
• Browser: [e.g. Chrome, Firefox, Safari]

Screenshots
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