fix: Centralize workflow concurrency in orchestrator

.github/workflows/ci.yml

@@ -3,11 +3,6 @@ name: 'Testing: CI'
 on:
   workflow_call:
 
-concurrency:
-  group: 'ci-${{ github.workflow }}-${{ github.head_ref || github.ref }}'
-  cancel-in-progress: |-
-    ${{ github.ref != 'refs/heads/main' && !startsWith(github.ref, 'refs/heads/release/') }}
-
 permissions:
   checks: 'write'
   contents: 'read'

.github/workflows/e2e.yml

@@ -10,11 +10,6 @@ on:
         required: true
         type: 'string'
 
-concurrency:
-  group: 'e2e-${{ github.workflow }}-${{ github.head_ref || github.ref }}'
-  cancel-in-progress: |-
-    ${{ github.ref != 'refs/heads/main' && !startsWith(github.ref, 'refs/heads/release/') }}
-
 jobs:
   e2e_linux:
     name: 'E2E Test (Linux) - ${{ matrix.sandbox }}'

.github/workflows/orchestrator.yml

@@ -8,6 +8,10 @@ on:
       - 'release/**'
   merge_group:
 
+concurrency:
+  group: '${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}'
+  cancel-in-progress: true
+
 permissions:
   contents: 'read'
   packages: 'write'