Bump Bullseye from 4.2.1 to 5.0.0 in /build

[dependabot[bot]]

Bumps Bullseye from 4.2.1 to 5.0.0.

Changelog

Sourced from Bullseye's changelog.

5.0.0

Enhancements

• #839: [BREAKING] switch from netstandard2.1 to net6.0 and net7.0
• #905: include build metadata in informational version
• #908: target .NET 8
• #923: specify DLL search path for GetStdHandle

Fixed bugs

• #878: [BREAKING] ShowHelp is incorrectly cased on CommandLine.Parse return type
• #924: Parallel does not parallelize the ForEach params in the Target when the target is run as a dependency

Commits

• 93112e6 Merge pull request #926 from adamralph/update-changelog
• 775cc1d update CHANGELOG
• 51f8185 Merge pull request #925 from adamralph/fix-parallel-inputs-as-dependency
• a301d60 fix running inputs in parallel when the target is a dependency
• bfd9f63 Merge pull request #908 from adamralph/net8
• 06d907c target .NET 8
• f208efa Merge pull request #923 from adamralph/dll-search-path
• e986145 specify DLL search path for GetStdHandle
• 3cbf689 Merge pull request #922 from adamralph/update-sdks
• adde6b4 update SDKs
• Additional commits viewable in compare view

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