[AC-2148] [deps]: Update dotnet monorepo to v8 (major)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@microsoft/signalr (source)	7.0.10 -> 8.0.0
@microsoft/signalr-protocol-msgpack (source)	7.0.10 -> 8.0.0

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Release Notes

dotnet/aspnetcore (@​microsoft/signalr)

### [`v8.0.0`](https://togithub.com/dotnet/aspnetcore/releases/tag/v8.0.0): .NET 8.0.0 [Compare Source](https://togithub.com/dotnet/aspnetcore/compare/v7.0.14...v8.0.0) [Release](https://togithub.com/dotnet/core/releases/tag/v8.0.0) ### [`v7.0.14`](https://togithub.com/dotnet/aspnetcore/compare/v7.0.12...v7.0.14) [Compare Source](https://togithub.com/dotnet/aspnetcore/compare/v7.0.12...v7.0.14) ### [`v7.0.12`](https://togithub.com/dotnet/aspnetcore/releases/tag/v7.0.12): .NET 7.0.12 [Compare Source](https://togithub.com/dotnet/aspnetcore/compare/v7.0.11...v7.0.12) [Release](https://togithub.com/dotnet/core/releases/tag/v7.0.12) ### [`v7.0.11`](https://togithub.com/dotnet/aspnetcore/releases/tag/v7.0.11): .NET 7.0.11 [Compare Source](https://togithub.com/dotnet/aspnetcore/compare/v7.0.10...v7.0.11) [Release](https://togithub.com/dotnet/core/releases/tag/v7.0.11)

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AC-2148

[addisonbeck]

Closing pending https://github.com/bitwarden/server/pull/3461

[bitwarden-bot]

Checkmarx One – Scan Summary & Details – 61a860aa-a923-4a4a-bf87-346135fd5777

No New Or Fixed Issues Found