Removing superfluous tab from _versions/2024-06-25-opensearch-2.15.0.markdown causing build errors.

Signed-off-by: Nate B <[email protected]>

Author: nateynateynate

_versions/2024-06-25-opensearch-2.15.0.markdown

@@ -16,7 +16,7 @@ components:
     version: 1.2.0
   - role: ingest
     artifact: data-prepper
-        version: data-prepper-2.10.2
+    version: data-prepper-2.10.2
     platform_order:
       - docker
       - linux