fix: Update tag count check for apigw v2 resources

[mildaniel]

Issue #, if available:
Cfn recently released an update to add default tags to APIGW V2 resources to include some additional default tags. Our tests need to be updated to reflect these changes.

Description of changes:

Description of how you validated changes:

Checklist:

• Add/update unit tests using:
  • Correct values
  • Bad/wrong values (None, empty, wrong type, length, etc.)
  • Intrinsic Functions
• Add/update integration tests
• make pr passes
• Update documentation
• Verify transformed template deploys and application functions as expected

Examples?

Please reach out in the comments, if you want to add an example. Examples will be
added to sam init through https://github.com/awslabs/aws-sam-cli-app-templates/

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