Update dependency open to ^7.3.0

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
open	devDependencies	minor	^7.3.0	source

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Release Notes

sindresorhus/open

v7.3.0

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• Support WSL configuration where Windows paths are not in PATH (#​195) be0f794

v7.2.1

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• Fix app option on Windows (#​191) 9bcd285

v7.2.0

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• Use PowerShell on Windows for improved reliability (#​188) f7ca0d3

v7.1.0

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• Add allowNonzeroExitCode option (#​176) e009765

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