Increasing allowed uncompressed layer size to 25 MB

[rithikanarayan]

What does this PR do?

Increases maximum allowed uncompressed layer size to 25600 KB from 22528 KB.

Motivation

This PR to allow trace context propagation in additional scenarios exceeds the previous size limit of 22 MB in this repository. The size limit in serverless-tools has already been bumped to 25 MB, this PR reflects that change in this repository.

Testing Guidelines

Additional Notes

Types of Changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
• This PR collects user input/sensitive content into Datadog
• This PR passes the integration tests (ask a Datadog member to run the tests)