fix(branch-out-upload): add artifact-name input to prevent 409 collision in parallel matrix jobs (#1512)

* fix(branch-out-upload): add artifact-name input to prevent 409 collision in parallel matrix jobs

* chore: add changeset for branch-out-upload artifact-name input

Author: Fletch153

.changeset/brave-donuts-flow.md

@@ -0,0 +1,5 @@
+---
+"branch-out-upload": patch
+---
+
+Add artifact-name input to prevent 409 collision when multiple matrix jobs upload test logs in the same workflow run

actions/branch-out-upload/action.yml

@@ -60,6 +60,13 @@ inputs:
       run in different environments (e.g., OSes, browsers, DON topologies).
     required: false
 
+  artifact-name:
+    description: |
+      Name for the uploaded test logs artifact. Override when multiple jobs in
+      the same workflow run use this action to avoid a 409 name collision.
+    required: false
+    default: "individual_test_logs"
+
 runs:
   using: composite
   steps:
@@ -212,6 +219,6 @@ runs:
       if: ${{ failure() && steps.inputs-ext.outputs.run-enhancer == 'true' }}
       uses: actions/upload-artifact@v7
       with:
-        name: individual_test_logs
+        name: ${{ inputs.artifact-name }}
         path: "${{ steps.inputs-ext.outputs.junit-dir }}/raw-test-logs/"
         retention-days: 10