chore(deps): update nuget/setup-nuget action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
nuget/setup-nuget	action	major	v2 → v4

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Release Notes

nuget/setup-nuget (nuget/setup-nuget)

v4.0

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What's Changed

• Migrate to ESM and update all npm packages to latest versions by @​jeffkl in NuGet#234

Full Changelog: NuGet/setup-nuget@v3.0.1...v4.0

v3.1.0

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What's Changed

• Remove DEP0169 url.parse() usage from setup-nuget v3 runtime path by @​Copilot in NuGet#233

Full Changelog: NuGet/setup-nuget@v3...v3.1.0

v3.0.1

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v3.0.0

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What's Changed

• Migrate action runtime from node20 to node24 by @​Copilot in NuGet#220
• build(deps): bump picomatch by @​dependabot[bot] in NuGet#222
• build(deps-dev): bump flatted from 3.3.3 to 3.4.2 by @​dependabot[bot] in NuGet#221
• build(deps-dev): bump handlebars from 4.7.8 to 4.7.9 by @​dependabot[bot] in NuGet#223

Full Changelog: NuGet/setup-nuget@v2...v3.0.0

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