chore(deps): update dependency @aws-sdk/client-cloudformation to v3.4.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@aws-sdk/client-cloudformation	3.3.0 -> 3.4.1

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Release Notes

aws/aws-sdk-js-v3

### [`v3.4.1`](https://togithub.com/aws/aws-sdk-js-v3/blob/master/CHANGELOG.md#​341-httpsgithubcomawsaws-sdk-js-v3comparev340v341-2021-01-29) [Compare Source](https://togithub.com/aws/aws-sdk-js-v3/compare/v3.4.0...v3.4.1) ##### Bug Fixes - **client-ec2:** update ec2 model ([#​1982](https://togithub.com/aws/aws-sdk-js-v3/issues/1982)) ([599725a](https://togithub.com/aws/aws-sdk-js-v3/commit/599725aba08176e911e6bc6c75797682f0999852)) - **client-forecast\*:** fix API docs ([#​1981](https://togithub.com/aws/aws-sdk-js-v3/issues/1981)) ([ebd7b2b](https://togithub.com/aws/aws-sdk-js-v3/commit/ebd7b2b9843f94c4e860a83dcc65c12efc494a0d)) - **clients:** use TS 3.4 compatible types for TS 3.9 ([#​1978](https://togithub.com/aws/aws-sdk-js-v3/issues/1978)) ([8bced5c](https://togithub.com/aws/aws-sdk-js-v3/commit/8bced5c32b9dbc68f1065054d796cb0b8b87bcc4)) ##### Features - use git-sync action to sync with private mirror ([#​1965](https://togithub.com/aws/aws-sdk-js-v3/issues/1965)) ([10ab6a1](https://togithub.com/aws/aws-sdk-js-v3/commit/10ab6a1d32807c55382b6e8877724d5120db31e6)) ### [`v3.4.0`](https://togithub.com/aws/aws-sdk-js-v3/blob/master/CHANGELOG.md#​340-httpsgithubcomawsaws-sdk-js-v3comparev330v340-2021-01-28) [Compare Source](https://togithub.com/aws/aws-sdk-js-v3/compare/v3.3.0...v3.4.0) ##### Bug Fixes - allow packages/types in gitignore ([#​1942](https://togithub.com/aws/aws-sdk-js-v3/issues/1942)) ([b4b6fad](https://togithub.com/aws/aws-sdk-js-v3/commit/b4b6fad2ea826abd2506bcc94d294148c7c902a9)) - **credential-provider-cognito-identity:** remove duplicate declarationDir ([#​1944](https://togithub.com/aws/aws-sdk-js-v3/issues/1944)) ([d75488a](https://togithub.com/aws/aws-sdk-js-v3/commit/d75488a7634ecf5ffa594c6a4e06e387e7c064e2)) - **generate-clients:** call mergeManifest when constructor.name is Object ([#​1937](https://togithub.com/aws/aws-sdk-js-v3/issues/1937)) ([601c03b](https://togithub.com/aws/aws-sdk-js-v3/commit/601c03bbb00934fd3dafaeee1332a0d0040ec8c7)) ##### Features - **middleware-stack:** allow adding middleware to override an existing one ([#​1964](https://togithub.com/aws/aws-sdk-js-v3/issues/1964)) ([9c21f14](https://togithub.com/aws/aws-sdk-js-v3/commit/9c21f14412f2b1f591422f3c67dedbe886db723b)), closes [#​1883](https://togithub.com/aws/aws-sdk-js-v3/issues/1883) - **util-dynamodb:** add option to convert class instance to map ([#​1969](https://togithub.com/aws/aws-sdk-js-v3/issues/1969)) ([1783c69](https://togithub.com/aws/aws-sdk-js-v3/commit/1783c690422acc18700c1be4f7da8dedf7ce7395)) - run prettier in parallel in generate-clients ([#​1949](https://togithub.com/aws/aws-sdk-js-v3/issues/1949)) ([878617a](https://togithub.com/aws/aws-sdk-js-v3/commit/878617a975157dea0cb95bba2a7a067febe13570)) - use downlevel-dts to generate TS 3.4 compatible types ([#​1943](https://togithub.com/aws/aws-sdk-js-v3/issues/1943)) ([63ad215](https://togithub.com/aws/aws-sdk-js-v3/commit/63ad2151c8bb7be32ea8838a9b0974806ed3906b))

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