This function retrieves Google Analytics data and returns it as a dataframe.
Arguments
- property_id
The Google Analytics Property ID (e.g., "2839410283").
- start_date
The start date for the data retrieval (e.g., "2023-01-01").
- end_date
The end date for the data retrieval (e.g., "2023-01-31").
- metrics
The metrics to retrieve (e.g., "ga:sessions,ga:pageviews").
- dimensions
The dimensions to retrieve (e.g., "ga:date,ga:source").