fix(deps): update module github.com/nats-io/jwt/v2 to v2.5.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/nats-io/jwt/v2	v2.5.7 -> v2.5.8

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Release Notes

nats-io/jwt (github.com/nats-io/jwt/v2)

v2.5.8

Compare Source

What's Changed

• [FIX] fixed a validation for mapping weights - the introduction of clusters into mappings allows the default and each cluster to allocate 100% of the traffic. These traffic allocations are now summed separately and emit an error only if a particular cluster (or the default) exceed 100% by @​aricart in https://github.com/nats-io/jwt/pull/222

Full Changelog: nats-io/jwt@v2.5.7...v2.5.8

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