chore(bedrock): add support for Anthropic Claude 3.7 Sonnet model (#33571)

Add a new model.

Ref
* https://aws.amazon.com/about-aws/whats-new/2025/02/anthropics-claude-3-7-sonnet-amazon-bedrock/
* https://docs.aws.amazon.com/bedrock/latest/userguide/models-supported.html

### Checklist
- [x] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: mazyu36

packages/aws-cdk-lib/aws-bedrock/lib/foundation-model.ts

@@ -212,6 +212,9 @@ export class FoundationModelIdentifier {
   /** Base model "anthropic.claude-3-5-sonnet-20241022-v2:0:200k". */
   public static readonly ANTHROPIC_CLAUDE_3_5_SONNET_20241022_V2_0_200K = new FoundationModelIdentifier('anthropic.claude-3-5-sonnet-20241022-v2:0:200k');
 
+  /** Base model "anthropic.claude-3-7-sonnet-20250219-v1:0" */
+  public static readonly ANTHROPIC_CLAUDE_3_7_SONNET_20250219_V1_0 = new FoundationModelIdentifier('anthropic.claude-3-7-sonnet-20250219-v1:0');
+
   /** Base model "anthropic.claude-3-haiku-20240307-v1:0". */
   public static readonly ANTHROPIC_CLAUDE_3_HAIKU_20240307_V1_0 = new FoundationModelIdentifier('anthropic.claude-3-haiku-20240307-v1:0');