chore: Adjust run-name

Author: Techassi

.github/workflows/nightly-test.yml

@@ -1,7 +1,8 @@
 ---
 # This is an example workflow that will then be moved to operator-templating
 name: Integration Test
-run-name: Integration Test on ${{ inputs.test-platform }}-${{ inputs.test-architecture }} (${{ inputs.test-run }}=${{ inputs.test-parameter }})
+run-name: |
+  ${{ inputs.test-run == 'all' && 'all' || format('{0}={1}', inputs.test-run, inputs.test-parameter) }}
 
 on:
   workflow_dispatch: