ci(benchmark): Prevent benchmarks from running concurrently (#10924)

.github/workflows/benchmark-destroy-nightly.yml

@@ -2,13 +2,17 @@ name: Destroy Benchmark Env
 
 on:
   schedule:
-    - cron: '0 4 * * *'
+    - cron: '0 5 * * *'
   workflow_dispatch:
 
 permissions:
   id-token: write
   contents: read
 
+concurrency:
+  group: benchmark
+  cancel-in-progress: false
+
 jobs:
   build:
     runs-on: ubuntu-latest

.github/workflows/benchmark-nightly.yml

@@ -31,6 +31,10 @@ permissions:
   id-token: write
   contents: read
 
+concurrency:
+  group: benchmark
+  cancel-in-progress: false
+
 jobs:
   build:
     runs-on: ubuntu-latest