deps: move ts-dedent to dependencies

[yannbf]

Issue: #103

What Changed

ts-dedent was used in a rule but was defined as dev-dependency. This PR fixes that

Checklist

Check the ones applicable to your change:

• [x] Ran yarn update-all
• [ ] Tests are updated
• [ ] Documentation is updated

Change Type

Indicate the type of change your pull request is:

• [ ] maintenance
• [ ] documentation
• [x] patch
• [ ] minor
• [ ] major

📦 Published PR as canary version: 0.6.3--canary.104.2956130.0

:sparkles: Test out this PR locally via: ```bash npm install eslint-plugin-storybook@0.6.3--canary.104.2956130.0 # or yarn add eslint-plugin-storybook@0.6.3--canary.104.2956130.0 ```

[github-actions[bot]]

:rocket: PR was released in v0.6.3 :rocket: