add back in period date fields

[fivetran-reneeli]

PR Overview

This PR will address the following Issue/Feature:

• The period_first_day and period_last_day fields were mistakenly left out in the quickbooks__profit_and_loss model although they were intended to be introduced as new fields. We have added these in.

This PR will result in the following new package version:

v0.13.1

Please provide the finalized CHANGELOG entry which details the relevant changes included in this PR:

• The period_first_day and period_last_day fields were mistakenly left out in the quickbooks__profit_and_loss model although they were intended to be introduced as new fields. We have added these in.

PR Checklist

Basic Validation

Please acknowledge that you have successfully performed the following commands locally:

• dbt run –full-refresh && dbt test
• dbt run (if incremental models are present) && dbt test

Before marking this PR as "ready for review" the following have been applied:

• [] The appropriate issue has been linked, tagged, and properly assigned
• All necessary documentation and version upgrades have been applied
• docs were regenerated (unless this PR does not include any code or yml updates)
• BuildKite integration tests are passing
• Detailed validation steps have been provided below

Detailed Validation

Please share any and all of your validation steps:

• After regenerating docs confirm that period first day and last day are indeed now included in the profit_and_loss model.

If you had to summarize this PR in an emoji, which would it be?

💃

[fivetran-joemarkiewicz]

LGTM with one changelog suggestion.

[fivetran-avinash]

@fivetran-reneeli Approved, with one minor change. Also make sure to assign yourself to the PR!