fix typo

Author: rochdev

.github/workflows/compute-workflow-parameters.yml

@@ -101,14 +101,16 @@ on:
 jobs:
   manual_ref:
     if: inputs.ref != 'auto'
-    run: |
-      if [[ "${{ inputs.ref }}" != "" ]]; then
-        echo "ref=${{ inputs.ref }}" >> $GITHUB_OUTPUT
-      elif [[ "${{ github.repository }}" == "DataDog/system-tests" ]]; then
-        echo "ref=" >> $GITHUB_OUTPUT
-      else
-        echo "ref=main" >> $GITHUB_OUTPUT
-      fi
+    runs-on: ubuntu-latest
+    steps:
+    - run: |
+        if [[ "${{ inputs.ref }}" != "" ]]; then
+          echo "ref=${{ inputs.ref }}" >> $GITHUB_OUTPUT
+        elif [[ "${{ github.repository }}" == "DataDog/system-tests" ]]; then
+          echo "ref=" >> $GITHUB_OUTPUT
+        else
+          echo "ref=main" >> $GITHUB_OUTPUT
+        fi
 
   auto_ref:
     if: inputs.ref == 'auto'