Bump actions/setup-dotnet from 2 to 4

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 2 to 4.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v2...v4)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/CI.yml

@@ -31,7 +31,7 @@ jobs:
         config-file: ./.github/codeql/codeql-config.yml
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json
 
@@ -101,7 +101,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json
 
@@ -158,7 +158,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json
 
@@ -305,7 +305,7 @@ jobs:
         }
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json
 

.github/workflows/integration-tests.yml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json
 
@@ -83,7 +83,7 @@ jobs:
         echo "PR_SHA=$(echo $prsha)" >> $GITHUB_ENV
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v2
+      uses: actions/setup-dotnet@v4
       with:
         global-json-file: global.json