feat(amazonq): adding change log to auto fetch models to Amazon Q chat and for Remote MCP (#7954)

## Notes:

- Adding change log to auto fetch models to Amazon Q chat and for Remote
MCP


---

- Treat all work as PUBLIC. Private `feature/x` branches will not be
squash-merged at release time.
- Your code changes must meet the guidelines in
[CONTRIBUTING.md](https://github.com/aws/aws-toolkit-vscode/blob/master/CONTRIBUTING.md#guidelines).
- License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

Author: laileni-aws

packages/amazonq/.changes/next-release/Feature-bac44cae-5e68-4192-bbdc-2aaf4cdc0e7c.json

@@ -0,0 +1,4 @@
+{
+	"type": "Feature",
+	"description": "Enabling dynamic model fetching capabilities in Amazon Q chat"
+}

packages/amazonq/.changes/next-release/Feature-dad6607e-513c-4355-9655-e80fd2da9ec2.json

@@ -0,0 +1,4 @@
+{
+	"type": "Feature",
+	"description": "Amazon Q: Support for configuring and utilizing remote MCP servers."
+}