Bump actions/setup-dotnet from 1 to 3 (#242)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 1 to 3.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v1...v3)

---
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>

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

Author: dependabot[bot]

.github/workflows/ConvertGuidelinesXmlToMarkdown.yml

@@ -35,7 +35,7 @@ jobs:
         echo "${{ steps.diff.outputs.name }}"
     
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: |
           5.0.x

.github/workflows/manuallyRunXmlToMD.yml

@@ -25,7 +25,7 @@ jobs:
           token: ${{ secrets.CI_PAT }}
 
     - name: Setup .NET Core
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v3
       with:
         dotnet-version: 5.0.201