feat: bump version to 1.16.3 and update feed (#729)

* feat: bump version to 1.16.3 and update feed

- Update version from 1.16.2 to 1.16.3 in Cargo.toml and Cargo.lock
- Add version 1.16.3 release entry to feed.json with changelog
- Includes experimental checkpointing and context usage features

🤖 Assisted by Amazon Q Developer

* [docs] Updates feed.json

---------

Co-authored-by: Kenneth S. <[email protected]>

Author: kensave

Cargo.lock

@@ -20,7 +20,7 @@ authors = [
 edition = "2024"
 homepage = "https://aws.amazon.com/q/"
 publish = false
-version = "1.16.2"
+version = "1.16.3"
 license = "MIT OR Apache-2.0"
 
 [workspace.dependencies]

Cargo.toml

@@ -10,6 +10,42 @@
       "hidden": true,
       "changes": []
     },
+    {
+      "type": "release",
+      "date": "2025-09-26",
+      "version": "1.16.3",
+      "title": "Version 1.16.3",
+      "changes": [
+        {
+          "type": "added",
+          "description": "[Experimental] Adds checkpointing functionality using Git CLI commands - [#2896](https://github.com/aws/amazon-q-developer-cli/pull/2896)"
+        },
+        {
+          "type": "fixed",
+          "description": "Validation issues with MCP tool arguments - [#2986](https://github.com/aws/amazon-q-developer-cli/pull/2986)"
+        },
+        {
+          "type": "added",
+          "description": "[Experimental] Add context usage percentage indicator to prompt - [#2994](https://github.com/aws/amazon-q-developer-cli/pull/2994)"
+        },
+        {
+          "type": "added",
+          "description": "Support for custom prompts, see `/prompts` - [#2799](https://github.com/aws/amazon-q-developer-cli/pull/2799)"
+        },
+        {
+          "type": "fixed",
+          "description": "Various issues with MCP OAuth - [#2976](https://github.com/aws/amazon-q-developer-cli/pull/2976)"
+        },
+        {
+          "type": "fixed",
+          "description": "Improve error messages for dispatch failures - [#2969](https://github.com/aws/amazon-q-developer-cli/pull/2969)"
+        },
+        {
+          "type": "added",
+          "description": "Enhanced MCP prompt management with improved UX - [#2953](https://github.com/aws/amazon-q-developer-cli/pull/2953)"
+        }
+      ]
+    },
     {
       "type": "release",
       "date": "2025-09-19",