fix(deps): update module github.com/openfga/openfga to v1.9.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/openfga/openfga	v1.9.3 -> v1.9.4

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Release Notes

openfga/openfga (github.com/openfga/openfga)

v1.9.4

Compare Source

Added

• Initial working implementation of OpenFGA APIs (Check, Expand, Write, Read, Authorization Models, etc..)
• Postgres storage adapter implementation
• Memory storage adapter implementation
• Early support for preshared key or OIDC authentication methods

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