Add Github Action to build infra-agent & nri-kubernetes Windows 2019 & 2022 images

[kondracek-nr]

Description

• Adds new GHA to build and push Windows server 2019 & 2022 images for infrastructure-agent and nri-kubernetes on windowsImage* branches
• Images are ALL pushed to nri-kubernetes Dockerhub repo

Notes

• Infra agent version is currently hardcoded
• nri-kubernetes version on the image tag is currently a generated date/timestamp
• ONLY the infra-agent component is bundled into the image. Integrations are not currently included (same as v2)

Image name examples:

• windows-ltsc2022-alpha-20250306232340
• agent-1.62.0-windows-ltsc2022-alpha-20250306232340

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature / enhancement (non-breaking change which adds functionality)
• Security fix
• Bug fix (non-breaking change which fixes an issue)

Checklist:

• Add changelog entry following the contributing guide
• Documentation has been updated
• This change requires changes in testing:
  • unit tests
  • E2E tests