ci: Fixes to benchmarks in cloud (#10626)

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

@@ -2,7 +2,7 @@ name: Destroy Benchmark Env
 
 on:
   schedule:
-    - cron: '0 1 * * *'
+    - cron: '0 4 * * *'
   workflow_dispatch:
 
 permissions:

.github/workflows/benchmark-nightly.yml

@@ -58,6 +58,10 @@ jobs:
           tenant-id: ${{ env.ARM_TENANT_ID }}
           subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}
 
+      - name: Destroy any existing environment
+        run: pnpm destroy-cloud-env
+        working-directory: packages/@n8n/benchmark
+
       - name: Run the benchmark with debug logging
         if: github.event.inputs.debug == 'true'
         run: pnpm benchmark-in-cloud --n8nTag ${{ inputs.n8n_tag || 'nightly' }} --benchmarkTag ${{ inputs.benchmark_tag || 'latest' }} --debug