Add artifact OS suffix for no name conflicts

Author: ader1990

.github/workflows/build_test_cbsinit.yml

@@ -33,7 +33,7 @@ jobs:
             -CloudbaseInitRepoBranch ${{ matrix.cbsinit_branch }}
     - uses: actions/upload-artifact@v4
       with:
-        name: "CloudbaseInit_${{ matrix.platform }}_MSI_${{ matrix.cbsinit_branch }}"
+        name: "CloudbaseInit_${{ matrix.platform }}_{{ matrix.os }}_MSI_${{ matrix.cbsinit_branch }}"
         path: 'CloudbaseInitSetup/bin/release/${{ matrix.platform }}/CloudbaseInitSetup.msi'
     - name: Download external dependencies
       shell: powershell