Bump the actions group with 1 update

Bumps the actions group with 1 update: [gittools/actions](https://github.com/gittools/actions).


Updates `gittools/actions` from 0.13.4 to 0.13.6
- [Release notes](https://github.com/gittools/actions/releases)
- [Commits](GitTools/actions@v0.13.4...v0.13.6)

---
updated-dependencies:
- dependency-name: gittools/actions
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

.github/workflows/dotnet.yml

@@ -20,11 +20,11 @@ jobs:
         fetch-depth: 0 #fetch-depth is needed for GitVersion
     #Install and calculate the new version with GitVersion  
     - name: Install GitVersion
-      uses: gittools/actions/gitversion/setup@v0.13.4
+      uses: gittools/actions/gitversion/setup@v0.13.6
       with:
         versionSpec: 5.x
     - name: Determine Version
-      uses: gittools/actions/gitversion/execute@v0.13.4
+      uses: gittools/actions/gitversion/execute@v0.13.6
       id: gitversion # step id used as reference for output values
     - name: Display GitVersion outputs
       run: |