Bump the dotnet group with 1 update

[dependabot]

Updated Spectre.Console from 0.54.0 to 0.55.0.

Release notes

Sourced from Spectre.Console's releases.

0.55.0

This release brings new features, performance improvements, bug fixes, and some important architectural changes.

[!CAUTION]
There are breaking changes in this release, so make sure you review the release notes and try things out before upgrading in production.

New Spectre.Console.Ansi Library

One of the biggest changes in this release is the introduction of
Spectre.Console.Ansi,
a new standalone library for writing ANSI escape
sequences to the terminal without taking a full dependency on Spectre.Console.

This makes it easy to add ANSI support to lightweight tools and libraries where
pulling in the full Spectre.Console package would be overkill. Spectre.Console
itself now depends on this library internally.

We've also added some nice convenience methods for the .NET Console class:

using Spectre.Console.Ansi;

Console.Markup("[yellow]Hello[/] ");
Console.MarkupLine("[blue]World[/]");
  
Console.Ansi(writer => writer
    .BeginLink("https://spectreconsole.net", linkId: 123)
    .Decoration(Decoration.Bold | Decoration.Italic)
    .Foreground(Color.Yellow)
    .Write("Spectre Console")
    .ResetStyle()
    .EndLink());

Style Is Now a Struct

Style has been converted from a class to a struct, and link/URL information
has been extracted into a separate Link type. This improves allocation
performance, especially in rendering-heavy scenarios, but is a breaking change
for code that relies on reference semantics.

Progress Improvements

The Progress widget received a lot of love in this release. It now uses
TimeProvider instead of the wall clock, making it significantly easier to
write deterministic tests. ProgressTask has a new Tag property for attaching
arbitrary metadata, and you can now override the global hide-when-completed
behavior on individual tasks. Tasks can also be removed from the progress
context entirely.

Speed calculations have been improved with configurable max sampling age and
... (truncated)

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[dotnet-policy-service]

Approved; this PR will merge when all status checks pass.

[gewarren]

@evgenyfedorov2 Is this the correct replacement for new Table().Centered() (which produces a compile error because Table doesn't implement Alignable)?