Update sniffles to 2.7.3

[BiocondaBot]

Update sniffles: 2.7.2 → 2.7.3

Info	Link or Description
Recipe	recipes/sniffles (click to view/edit other files)
Summary	Sniffles is a structural variation caller using third generation sequencing (PacBio or Oxford Nanopore).
Home	https://github.com/fritzsedlazeck/Sniffles
Releases	https://pypi.org/pypi/sniffles/json

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