Update dependency MediatR to v14

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
MediatR (source)	12.5.0 → 14.0.0

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Release Notes

LuckyPennySoftware/MediatR (MediatR)

v14.0.0

What's Changed

• Bumping to .NET 10 by @​jbogard in #​1143
• Enabling package signing

Full Changelog: LuckyPennySoftware/MediatR@v13.1.0...v14.0.0

v13.1.0

What's Changed

• Do not require non-public license classes to be registered; fixes #​1127 by @​jbogard in #​1129
• Adding direct .NET 4.x support by @​jbogard in #​1131
• Update release.yml by @​dhgatjeye in #​1132
• Allowing static license key values by @​jbogard in #​1136
• Dependency Injection tests for various providers by @​jithu7432 in #​1134
• Upgrade to System.Text.Json version without transitive vulnerability by @​kanilsz in #​1139
• Add DI tests for LightInject, StashBox, Lamar by @​jithu7432 in #​1137

New Contributors

• @​dhgatjeye made their first contribution in #​1132
• @​kanilsz made their first contribution in #​1139

Full Changelog: LuckyPennySoftware/MediatR@v13.0.0...v13.1.0

v13.0.0

Full Changelog: LuckyPennySoftware/MediatR@v12.5.0...v13.0.0

• Added support for .NET Standard 2.0
• Requiring license key
• Moving from Apache license to dual commercial/OSS license

To set your license key:

services.AddMediatR(cfg => {
    cfg.LicenseKey = "<License key here>";
});

You can obtain your license key at MediatR.io

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