Bump NuGet/setup-nuget from 2 to 4

Bumps [NuGet/setup-nuget](https://github.com/nuget/setup-nuget) from 2 to 4.
- [Release notes](https://github.com/nuget/setup-nuget/releases)
- [Commits](https://github.com/nuget/setup-nuget/compare/v2...v4)

---
updated-dependencies:
- dependency-name: NuGet/setup-nuget
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-and-test.yml

@@ -154,7 +154,7 @@ jobs:
         run: git lfs pull
 
       - name: NuGet Install
-        uses: NuGet/setup-nuget@v2
+        uses: NuGet/setup-nuget@v4
 
       - name: NuGet Setup Cache
         uses: actions/cache@v5
@@ -233,7 +233,7 @@ jobs:
           submodules: recursive
 
       - name: NuGet Install
-        uses: NuGet/setup-nuget@v2
+        uses: NuGet/setup-nuget@v4
 
       - name: NuGet Setup Cache
         uses: actions/cache@v5

.github/workflows/code-coverage.yml

@@ -56,7 +56,7 @@ jobs:
         run: git lfs pull
 
       - name: NuGet Install
-        uses: NuGet/setup-nuget@v2
+        uses: NuGet/setup-nuget@v4
 
       - name: NuGet Setup Cache
         uses: actions/cache@v5