chore: Update LLM to be Global CRIS Haiku 4.5 (#622)

* update model id to haiku 4.5

* update model references to Haiku 4.5

* second batch of haiku 4.5 update.

* bump LLM to Haiku 4.5

* add alias to contributors

* add min version to starter toolkit so container is valid syntax.

* fix issues identified in code review.

04-infrastructure-as-code/cdk/end-to-end-weather-agent/agent-code/weather_agent.py

@@ -76,7 +76,7 @@ async def initialize_browser_session():
         await browser_session.start()
         
         bedrock_chat = ChatBedrockConverse(
-            model_id="us.anthropic.claude-3-7-sonnet-20250219-v1:0",
+            model_id="global.anthropic.claude-haiku-4-5-20251001-v1:0",
             region_name="us-west-2"
         )
         

04-infrastructure-as-code/cloudformation/end-to-end-weather-agent/end-to-end-weather-agent.yaml

@@ -735,10 +735,9 @@ Resources:
                           console.print("[cyan]🔄 Initializing browser session...[/cyan]")
                           await browser_session.start()
                           
-                          # Create ChatBedrockConverse once
-                          bedrock_chat = ChatAnthropicBedrock(
-                              model='us.anthropic.claude-sonnet-4-5-20250929-v1:0',
-                              aws_region=region
+                          bedrock_chat = ChatBedrockConverse(
+                              model_id="global.anthropic.claude-haiku-4-5-20251001-v1:0",
+                              region_name="us-west-2"
                           )
                           
                           console.print("[green]✅ Browser session initialized and ready[/green]")