build(deps): bump PolySharp from 1.14.1 to 1.15.0 in the all group

[dependabot[bot]]

Bumps the all group with 1 update: PolySharp.

Updates PolySharp from 1.14.1 to 1.15.0

Release notes

Sourced from PolySharp's releases.

1.15.0

This PolySharp release includes C# 13 support.

🪄 Polyfills

• Add polyfills for .NET 9 attributes. by @​teo-tsirpanis in Sergio0694/PolySharp#108
• Add [ConstantExpected] polyfill by @​Sergio0694 in Sergio0694/PolySharp#114

🔧 Other changes

• Update NuGet packages to latest stable by @​Sergio0694 in Sergio0694/PolySharp#111
• Update GitHub Actions to latest stable by @​Sergio0694 in Sergio0694/PolySharp#112

New Contributors

• @​teo-tsirpanis made their first contribution in Sergio0694/PolySharp#108

Commits

• 02753db Merge pull request #114 from Sergio0694/dev/constant-expected-attribute
• cd55412 Add tests for '[ConstantExpected]' attribute
• 8ed69f9 Update 'README.md' files
• b100d4b Add 'ConstantExpectedAttribute' type
• 06e5008 Merge pull request #108 from teo-tsirpanis/net9
• 81cedeb Fix a typo in CONTRIBUTING.md
• 92b7b24 Use .NET 9 SDK, update unit tests
• d9e4541 Update README.md files
• b71f56f Adapt the attributes to the codebase's standards.
• 32ac9c8 Copy .NET 9 attribute sources from dotnet/runtime.
• Additional commits viewable in compare view

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