use &lt; instead of < to resolve markdown issue

Author: yberber-sap

docs/core_docs/docs/integrations/vectorstores/hanavector.mdx

@@ -61,8 +61,8 @@ In addition to the basic value-based filtering capabilities, it is possible to u
 | ----------- | -------------------------------------------------------------------------- |
 | `$eq`       | Equality (==)                                                              |
 | `$ne`       | Inequality (!=)                                                            |
-| `$lt`       | Less than (<)                                                              |
-| `$lte`      | Less than or equal (<=)                                                    |
+| `$lt`       | Less than (&lt;)                                                              |
+| `$lte`      | Less than or equal (&lt;=)                                                    |
 | `$gt`       | Greater than (>)                                                           |
 | `$gte`      | Greater than or equal (>=)                                                 |
 | `$in`       | Contained in a set of given values (in)                                    |