Rename Creating Benchmark workloads page (#6807) (#6813)

(cherry picked from commit 65a5e9d)

Signed-off-by: Archer <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

_benchmark/user-guide/creating-osb-workloads.md renamed to _benchmark/user-guide/creating-custom-workloads.md

@@ -1,11 +1,11 @@
 ---
 layout: default
-title: Creating OpenSearch Benchmark workloads
+title: Creating custom workloads
 nav_order: 10
 parent: User guide
 redirect_from: 
   - /benchmark/creating-custom-workloads/
-  - /benchmark/user-guide/creating-custom-workloads
+  - /benchmark/user-guide/creating-osb-workloads/
 ---
 
 # Creating custom workloads