build(deps-dev): bump serverless from 2.53.1 to 2.54.0

[dependabot[bot]]

Bumps serverless from 2.53.1 to 2.54.0.

Release notes

Sourced from serverless's releases.

2.54.0 (2021-08-12)

Features

• AWS IAM: Resign from deprecating old format of IAM settings (#9778) (847dd8f) (Mariusz Nowak)
• AWS Lambda: Add support for multiple subscription filters (#9760) (5c9ca56) (Han Sang Hoon (한상훈))
• AWS API Gateway: Deprecate default for identitySource for request authorizers with disabled caching (#9825) (0e01d9e) (Piotr Grzesik)
• CLI: Deprecate -v as alias for --verbose (#9811) (53b41eb) (Piotr Grzesik)

Bug Fixes

• AWS Deploy: Ensure right code for deploy -f deprecation (#9833) (90877d5) (Mariusz Nowak)
• AWS Layers: Support references to external layers (#9826) (dc74f41) (Piotr Grzesik)
• Variables: Unconditionally deprecate old vars engine extensions (#9827) (b7f4e08) (Mariusz Nowak)

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Comparison since last release

Changelog

Sourced from serverless's changelog.

2.54.0 (2021-08-12)

Features

• AWS IAM: Resign from deprecating old format of IAM settings (#9778) (847dd8f) (Mariusz Nowak)
• AWS Lambda: Add support for multiple subscription filters (#9760) (5c9ca56) (Han Sang Hoon (한상훈))
• AWS API Gateway: Deprecate default for identitySource for request authorizers with disabled caching (#9825) (0e01d9e) (Piotr Grzesik)
• CLI: Deprecate -v as alias for --verbose (#9811) (53b41eb) (Piotr Grzesik)

Bug Fixes

• AWS Deploy: Ensure right code for deploy -f deprecation (#9833) (90877d5) (Mariusz Nowak)
• AWS Layers: Support references to external layers (#9826) (dc74f41) (Piotr Grzesik)
• Variables: Unconditionally deprecate old vars engine extensions (#9827) (b7f4e08) (Mariusz Nowak)

Commits

• 21aeda4 chore: Release 2.54.0
• 5564537 chore: Bump dependencies
• 90877d5 fix(AWS Deploy): Ensure right code for deploy -f deprecation
• 5c9ca56 feat(AWS Lambda): Add support for multiple subscription filters (#9760)
• b7f4e08 fix(Variables): Unconditionally deprecate old vars engine extensions
• dc74f41 fix(AWS Layers): Support references to external layers
• 0e01d9e refactor(AWS API Gateway): Adjust deprecation for identitySource
• d53c80d test(AWS API Gateway): Fix integration test for API Gateway
• 53b41eb refactor(CLI): Deprecate -v as alias for --verbose
• 378a8f4 refactor(AWS API Gateway): Deprecate default identitySource
• Additional commits viewable in compare view

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