Update mcp-chat workspace to commit 5457d02 for backstage 1.49.2 on branch main (#2260)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

workspaces/mcp-chat/backstage.json

@@ -17,8 +17,8 @@ metadata:
     - mcp
 spec:
   packageName: '@backstage-community/plugin-mcp-chat-backend'
-  dynamicArtifact: oci://ghcr.io/redhat-developer/rhdh-plugin-export-overlays/backstage-community-plugin-mcp-chat-backend:bs_1.45.3__0.5.0!backstage-community-plugin-mcp-chat-backend
-  version: 0.5.0
+  dynamicArtifact: oci://ghcr.io/redhat-developer/rhdh-plugin-export-overlays/backstage-community-plugin-mcp-chat-backend:bs_1.49.4__0.8.0!backstage-community-plugin-mcp-chat-backend
+  version: 0.8.0
   author: Backstage Community
   support: community
   lifecycle: experimental

workspaces/mcp-chat/metadata/backstage-community-plugin-mcp-chat-backend.yaml

@@ -17,8 +17,8 @@ metadata:
     - mcp
 spec:
   packageName: '@backstage-community/plugin-mcp-chat'
-  dynamicArtifact: oci://ghcr.io/redhat-developer/rhdh-plugin-export-overlays/backstage-community-plugin-mcp-chat:bs_1.45.3__0.2.0!backstage-community-plugin-mcp-chat
-  version: 0.2.0
+  dynamicArtifact: oci://ghcr.io/redhat-developer/rhdh-plugin-export-overlays/backstage-community-plugin-mcp-chat:bs_1.49.4__0.6.0!backstage-community-plugin-mcp-chat
+  version: 0.6.0
   author: Backstage Community
   support: community
   lifecycle: experimental

workspaces/mcp-chat/metadata/backstage-community-plugin-mcp-chat.yaml

@@ -1 +1 @@
-{"repo":"https://github.com/backstage/community-plugins","repo-ref":"74be68b7115521fe602caf8d0dbbc421e8ccce94","repo-flat":false,"repo-backstage-version":"1.42.0"}
+{"repo":"https://github.com/backstage/community-plugins","repo-ref":"5457d02f7dc5f21eb990fcc5173b2026e012b08c","repo-flat":false,"repo-backstage-version":"1.49.2"}