[NA] [DOCS] fix: renumber remaining TOC entries (10-12) after anchor fix

Author: simpleqt

apps/opik-backend/docs/JAVA_PYTHON_RQ_INTEGRATION.md

@@ -70,9 +70,9 @@ curl http://localhost:8080/v1/internal/hello-world/queue-size
 7. [Usage Guide](#usage-guide)
 8. [Adding New Queues](#adding-new-queues)
 9. [Testing](#testing)
-11. [Troubleshooting](#troubleshooting)
-12. [Design Decisions](#design-decisions)
-13. [Refactoring History](#refactoring-history)
+10. [Troubleshooting](#troubleshooting)
+11. [Design Decisions](#design-decisions)
+12. [Refactoring History](#refactoring-history)
 
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