Add Metrics Collection for Composer Ecosystem: Package Manager and Language Details

[kbukum1]

What are you trying to accomplish?

This PR enhances metrics collection for the Composer ecosystem by adding the following details:

• Package Manager Raw Version: Captures the raw version string for better tracking and debugging.
• Language Raw Version: Logs the raw version of the language used for Composer projects.
• Language Requirement: Tracks language requirements specified in Composer configurations.

Why:
These additions improve observability and provide detailed insights for Composer ecosystem metrics, helping to better understand versioning and compatibility issues.

What issues does this affect or fix?

N/A

Anything you want to highlight for special attention from reviewers?

• The new fields for raw versions and requirements have been added to the metrics data structure. Please confirm that the data is collected and logged as expected.
• Verify that these changes do not affect metrics for other ecosystems.

How will you know you've accomplished your goal?

• Metrics for Composer now include the raw version and language requirement details when viewed on Datadog.
• All tests and linters pass successfully.
• The changes are verified to collect and log the intended data correctly.

Checklist

• I have run the complete test suite to ensure all tests and linters pass.
• I have thoroughly tested my code changes to ensure they work as expected, including adding additional tests for new functionality.
• I have written clear and descriptive commit messages.
• I have provided a detailed description of the changes in the pull request, including the problem it addresses, how it fixes the problem, and any relevant details about the implementation.
• I have ensured that the code is well-documented and easy to understand.