KubernetesSparkStepOperator imports fails

[avishniakov]

Describe changes

I fixed the importing issue of BuildConfiguration in KubernetesSparkStepOperator to resolve https://zenml.slack.com/archives/C01FWQ5D0TT/p1702628389459069.

│   125 │   │   for step_name, step in deployment.step_configurations.items():                     │
│   126 │   │   │   if step.config.step_operator == self.name:                                     │
│ ❱ 127 │   │   │   │   build = BuildConfiguration(                                                │
│   128 │   │   │   │   │   key=SPARK_DOCKER_IMAGE_KEY,                                            │
│   129 │   │   │   │   │   settings=step.config.docker_settings,                                  │
│   130 │   │   │   │   │   step_name=step_name,                                                   │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
NameError: name 'BuildConfiguration' is not defined

Pre-requisites

Please ensure you have done the following:

• I have read the CONTRIBUTING.md document.
• If my change requires a change to docs, I have updated the documentation accordingly.
• If I have added an integration, I have updated the integrations table and the corresponding website section.
• I have added tests to cover my changes.
• I have based my new branch on develop and the open PR is targeting develop. If your branch wasn't based on develop read Contribution guide on rebasing branch to develop.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other (add details above)

[github-actions]

E2E template updates in examples/e2e have been pushed.

[github-actions]

E2E template updates in examples/e2e have been pushed.

[github-actions]

NLP template updates in examples/nlp-case have been pushed.