v0.1.66

<!-- Release notes generated using configuration in .github/release.yml at v0.1.66 -->

What's Changed

• Add spans with operation names to genqlient requests by @rianmcguirefly in https://github.com/superfly/fly-go/pull/189

Full Changelog: https://github.com/superfly/fly-go/compare/v0.1.65...v0.1.66