Add support for private image registry

[cnogradi]

Add a chance for user to specify an additional private image registry without change seed_sources/seed_destinations

What

* Add an additional options to specify private image registry beside of `imagePullSecrets`

How

Add registry prefix in ProcessFactory on create new container if the environment JOB_KUBE_MAIN_CONTAINER_IMAGE_REGISTRY has been assigned a valid registry string.
This change was inspired and adapted from airbytehq/airbyte#16969

Recommended reading order

1. `airbyte\airbyte-workers\src\main\java\io\airbyte\workers\WorkerConfigs.java`

2. `airbyte\airbyte-workers\src\main\java\io\airbyte\workers\process\DockerProcessFactory.java`

3. `airbyte\airbyte-workers\src\main\java\io\airbyte\workers\process\KubeProcessFactory.java`

4. `airbyte\airbyte-workers\src\main\java\io\airbyte\workers\config\WorkerConfigurationBeanFactory.java`

User Impact

This option is transparent and optional for airbyte users.

Pre-merge Checklist

Expand the relevant checklist and delete the others.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

No Coverage information
0.0% Duplication

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