add migrations to create tax household enrollments for missing reinstated enrollments

[saipraveen18]

PR Checklist

Please check if your PR fulfills the following requirements:

• The title follows our guidelines
• Tests for the changes have been added (for bug fixes/features), and they use let helpers and before blocks.
• For all UI changes, there is Cucumber coverage.
• Any endpoint touched in the PR has an appropriate Pundit policy. For open endpoints, the reasoning is documented in the PR and code.
• Any endpoint modified in the PR only responds to the expected MIME types.
• For all scripts or rake tasks, how to run them is documented in both the PR and the code.
• There are no inline styles added.
• There is no inline JavaScript added.
• There is no hard-coded text added/updated in helpers/views/JavaScript. New/updated translation strings do not include markup/styles unless there is supporting documentation.
• Code does not use .html_safe.
• All images added/updated have alt text.
• Does not bypass RuboCop rules in any way.

PR Type

What kind of change does this PR introduce?:

• Bugfix
• Feature (requires Feature flag)
• Data fix, Migration, or Report (inert code, no impact until run)
• Refactoring (no functional changes, no API changes)
• Build related changes
• CI related changes
• Dependency updates (e.g., add a new gem or update to a version)

What is the ticket # detailing the issue?

Ticket: https://www.pivotaltracker.com/story/show/188604585

A brief description of the changes:

Current behavior: Currently, Devops is manually upload a script file to server and running the script to generate tax household enrollments for missing enrollments

New behavior: Create a migration script to generate tax household enrollments for missing enrollments

Script 1:
Create Tax Household Enrollments for Missing Reinstated Enrollments

Command:

CLIENT=me bundle exec rails runner script/tax_household_enrollments/create_for_reinstated_enrollments.rb 2024

Output:
Generates a CSV file named reinstated_enrollments_with_thh_enrs_creation_report.csv

Script 2:
Create Tax Household Enrollments for Specific Enrollment HBX IDs

Command:

CLIENT=me bundle exec rails runner script/tax_household_enrollments/create.rb "12345,67890,11223"

Output:
Generates a CSV file named update_missing_slcsp_info_for_aptc_enrs_report_*.csv

Feature Flag

For all new feature development, a feature flag is required to control the exposure of the feature to our end users. A feature flag needs a corresponding environment variable to initialize the state of the flag. Please share the name of the environment variable below that would enable/disable the feature and indicate which client(s) it applies to.

Variable name:

• DC
• ME

Additional Context

Include any additional context that may be relevant to the peer review process.

[saikumar9]

lgtm!