Fix unsing undefined varibale at maxDimensionTest

[vankichi]

Description:

I have fixed the using a defined variable instead of an undefined variable in MaxDimensionTest.
It means I use the algorithm.MaximumVectorDimensionSize instead of ngt.VecotrDimensionSizeLimit.

Related Issue:

Versions:

• Go Version: 1.19.2
• Docker Version: 20.10.8
• Kubernetes Version: 1.22.0
• NGT Version: 1.14.8

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• I have checked open Pull Requests for the similar feature or fixes?

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