[Demo] Add number of paying methods to the customers model

[kentwelcome]

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[github-actions]

📊 Piperider Comparison Summary

Comparison Summary

Resource	Total	Explicit Changes	Impacted	Implicit Changes
Models	5	1	1	0
Metrics	0	0	0	0

Models

	Model	Columns	Rows	Dbt Time	Failed Tests	All Tests
	models/customers.sql	8 ($\color{green}{\text{ 0 }}$ / $\color{red}{\text{ 0 }}$ / $\color{orange}{\text{ 1 }}$)	nan	0:00:00.10 $\color{green}{\text{ (↓ -0.04) }}$	0	3

Metrics

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📎 Generated Comparison Report ZIP

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