Bump powershell from 7.3.9 to 7.4.0 (#18826)

Bumps [powershell](https://github.com/PowerShell/PowerShell) from 7.3.9 to 7.4.0.
- [Release notes](https://github.com/PowerShell/PowerShell/releases)
- [Commits](https://github.com/PowerShell/PowerShell/compare/v7.3.9...v7.4.0)

---
updated-dependencies:
- dependency-name: powershell
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "powershell": {
-      "version": "7.3.9",
+      "version": "7.4.0",
       "commands": [
         "pwsh"
       ]