Update Rust crate cynic to v3.7.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
cynic (source)	dependencies	patch	3.7.1 -> 3.7.2

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Release Notes

obmarg/cynic (cynic)

### [`v3.7.2`](https://togithub.com/obmarg/cynic/blob/HEAD/CHANGELOG.md#v372---2024-05-22) [Compare Source](https://togithub.com/obmarg/cynic/compare/v3.7.1...v3.7.2) ##### Changes - Pulled in the latest cynic-parser, this should have no user facing impact.

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