Add exclude paths attribute to job definition

[AbhishekBhaskar]

This PR adds the exclude-paths option in dependabot-cli job config. This options allows the user to specify paths to manifest files in sub-directories which should be ignored during Dependabot updates.
Related epic - dependabot/dependabot-core#4364

[honeyankit]

@AbhishekBhaskar It is failing few test cases

[kbukum1]

@AbhishekBhaskar It is failing few test cases

@honeyankit , these tests are already failing on smoke test. It is related to npm, swift package updates that are not ignored. Because they are in transitive dependency and ignore conditions aren't capable to ignore new updates for transitive dependencies.

[Copilot]

Pull Request Overview

This PR adds support for the exclude-paths attribute to the Dependabot CLI job configuration, allowing users to specify manifest file paths in subdirectories that should be ignored during dependency updates.

• Adds ExcludePaths field to the Job struct with appropriate JSON and YAML tags
• Includes test case demonstrating the new exclude-paths configuration with example paths

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
internal/model/job.go	Adds ExcludePaths field to Job struct with JSON/YAML serialization tags
internal/model/job_test.go	Adds test configuration showing exclude-paths usage with example directory paths