fix: In G001, use float64 when calculating shared_buffers percentage, not int
Description
In G001, use float64 when calculating shared_buffers
percentage, not int.
Related issue
Bug reported via Slack.
Examples
shared_buffers is set to 32.00 GiB, which is 50.93% of RAM, making this setting a major contributor to overall memory consumption.
Edited by Nikolay Samokhvalov