Give artifacts unique names

Author: stephankramer

.github/workflows/ubuntu.yml

@@ -111,7 +111,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         with:
           path: ${{ matrix.release }}-${{ matrix.output }}
-          name: tests_xml_outputs
+          name: $${{ matrix.release }}_$${{ matrix.output }}
 
       - name: ${{ matrix.name }} JUnit
         uses: mikepenz/action-junit-report@v3
@@ -244,7 +244,7 @@ jobs:
       - uses: actions/upload-artifact@v4
         with:
           path: test_results_${{ matrix.name }}.xml
-          name: tests_xml_outputs
+          name: longtests_xml_outputs_$${{ matrix.name }}
 
       - name: ${{ matrix.name }} JUnit
         uses: mikepenz/action-junit-report@v3