Update dependency coverlet.collector to v3.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
coverlet.collector	nuget	minor	3.0.3 -> 3.1.0

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Release Notes

coverlet-coverage/coverlet

v3.1.0

• 141 adds performance improvements to coverage tracker for multi-threaded scenarios
• a189fc2 replaces Jil with JSON.NET for JSON serialization
• #​147 adds support for instrumenting constructors
• 4efea75 ensures output filenames have extensions if non is specified
• #​154 makes enumeration based MSBuild properties case insensitive
• #​164 adds support for specifying include filters
• #​169 adds slight improvement for coverage tracking performance

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