adjust free mode description

Author: lena-larionova

app/_data/changelogs/gateway.json

@@ -675,7 +675,7 @@
         "scope": "Plugin"
       },
       {
-        "message": "Free mode is no longer available. Starting Kong without a license will now function the same as Kong with an expired license.",
+        "message": "Free mode is deprecated and will be removed in a future 3.x version of Kong Gateway Enterprise. At that point, running Kong Gateway without a license will behave the same as running it with an expired license.",
         "type": "Breaking Change",
         "scope": "Core"
       },

app/_includes/upgrade/lts-changes-34-310.md

@@ -265,7 +265,8 @@ rows:
       Remove these configurations before upgrading, or reach out to [Kong Support](https://support.konghq.com).
   - category: Licensing
     description: |
-      Enterprise Free mode is no longer available. Running {{site.base_gateway}} without a license will now behave the same as running it with an expired license.
+      Free mode is deprecated and will be removed in a future 3.x version of {{site.ee_product_name}}.
+      At that point, running {{site.base_gateway}} without a license will behave the same as running it with an expired license.
     action: |
       Try out [{{site.konnect_short_name}}](https://konghq.com/products/kong-konnect/register?utm_medium=referral&utm_source=docs&utm_content=upgrade-guide), or reach out to [Kong Sales](https://konghq.com/contact-sales?utm_medium=referral&utm_source=docs&utm_content=upgrade-guide) for a demo.
 {% endtable %}

app/gateway/breaking-changes.md

@@ -255,7 +255,8 @@ While the `+` character represents the correct encoding of space in query string
 
 #### Free mode
 
-Free mode is no longer available. Running {{site.base_gateway}} without a license will now behave the same as running it with an expired license.
+Free mode is deprecated and will be removed in a future 3.x version of {{site.ee_product_name}}.
+At that point, running {{site.base_gateway}} without a license will behave the same as running it with an expired license.
 
 #### Known issues in 3.10.0.0