chore(deps): update dependency serilog.sinks.periodicbatching to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Serilog.Sinks.PeriodicBatching	nuget	major	2.3.1 -> 3.1.0

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Release Notes

serilog/serilog-sinks-periodicbatching

### [`v3.1.0`](https://togithub.com/serilog/serilog-sinks-periodicbatching/releases/tag/v3.1.0) - [#​58](https://togithub.com/serilog/serilog-sinks-periodicbatching/issues/58) - restore obsolete inheritance-based API ([@​nblumhardt](https://togithub.com/nblumhardt)) ### [`v3.0.0`](https://togithub.com/serilog/serilog-sinks-periodicbatching/releases/tag/v3.0.0) - [#​56](https://togithub.com/serilog/serilog-sinks-periodicbatching/issues/56) - `IAsyncDisposable` support; drop obsolete inheritance-based APIs ([@​nblumhardt](https://togithub.com/nblumhardt))

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