Bump actions/setup-dotnet from 3 to 4 (#608)

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

.github/workflows/branches.yml

@@ -22,7 +22,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
           7.0.x

.github/workflows/master.yml

@@ -21,7 +21,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: "7.0.x"
         source-url: https://nuget.pkg.github.com/graphql-dotnet/index.json

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
         echo github.ref: ${{ github.ref }}
         exit 1
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: "7.0.x"
         source-url: https://api.nuget.org/v3/index.json