Fix wrong order of arguments when calling calc_quantile_loss

[WenjieDu]

What does this PR do?

1. Fixing Incorrect CRPS calculation #554;

Before submitting

• Was this discussed/approved via a GitHub issue? Please add a link to it if that's the case.
• I have commented my code, particularly in hard-to-understand areas.
• I have written necessary tests and already run them locally.

[coveralls]

Pull Request Test Coverage Report for Build 13409339203

Details

• 1 of 2 (50.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 84.419%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pypots/utils/metrics/error.py	1	2	50.0%

Totals
Change from base Build 13213866978:	0.0%
Covered Lines:	12196
Relevant Lines:	14447

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💛 - Coveralls