Bump actions/setup-dotnet from 3 to 4 (#493)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 3 to 4.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v3...v4)

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

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

.github/workflows/main.yml

@@ -28,17 +28,17 @@ jobs:
 
     # Install .NET SDK's for 6.0 and 7.0
     - name: Setup dotnet 6.0
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
 
     - name: Setup dotnet 7.0
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '7.0.x'
 
     - name: Setup dotnet 8.0
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '8.0.x'
 
@@ -122,7 +122,7 @@ jobs:
         fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
 
     # Setup .NET SDK
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: ${{ matrix.dotnet }}
 
@@ -221,7 +221,7 @@ jobs:
         path: ~/dacpac-package
 
     # Setup .NET SDK
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
 
@@ -279,7 +279,7 @@ jobs:
         path: test/TestProjectWithSDKRef/nuget-packages
 
     # Setup .NET SDK
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
 
@@ -325,7 +325,7 @@ jobs:
     - deploy-publish
     steps:
     # Setup .NET SDK
-    - uses: actions/setup-dotnet@v3
+    - uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'