fix: Update benchmarks readme badge (spiceai#5466)

Author: peasee

README.md

@@ -14,7 +14,7 @@
   <a href="https://github.com/spiceai/spiceai/actions/workflows/pr.yml"><img alt="GitHub Actions Workflow Status - unit tests" src="https://img.shields.io/github/actions/workflow/status/spiceai/spiceai/pr.yml?event=merge_group&label=unit%20tests" /></a>
   <a href="https://github.com/spiceai/spiceai/actions/workflows/integration.yml"><img alt="GitHub Actions Workflow Status - integration tests" src="https://img.shields.io/github/actions/workflow/status/spiceai/spiceai/integration.yml?event=pull_request&label=integration%20tests" /></a>
   <a href="https://github.com/spiceai/spiceai/actions/workflows/integration_models.yml"><img alt="GitHub Actions Workflow Status - integration tests (models)" src="https://img.shields.io/github/actions/workflow/status/spiceai/spiceai/integration_models.yml?event=pull_request&label=integration%20tests%20(models)" /></a>
-  <a href="https://github.com/spiceai/spiceai/actions/workflows/benchmarks.yml"><img alt="GitHub Actions Workflow Status - benchmark tests" src="https://img.shields.io/github/actions/workflow/status/spiceai/spiceai/benchmarks.yml?branch=trunk&label=benchmark%20tests" /></a>
+  <a href="https://github.com/spiceai/spiceai/actions/workflows/benchmarks.yml"><img alt="GitHub Actions Workflow Status - benchmark tests" src="https://img.shields.io/github/actions/workflow/status/spiceai/spiceai/testoperator_run_bench.yml?branch=trunk&label=benchmark%20tests" /></a>
 </p>
 
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