chore(deps): update actions/github-script action to v8

Author: renovate-bot

.github/workflows/dotnet.yml

@@ -123,7 +123,7 @@ jobs:
         run: dotnet publish TUnit.TestProject/TUnit.TestProject.csproj -c Release --use-current-runtime -p:Aot=true -o TESTPROJECT_AOT --framework net10.0
 
       - name: Expose GitHub Actions Runtime
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env['ACTIONS_RUNTIME_TOKEN']);