Add capture static blocks check

[miazbikowski]

What are you adding in this PR?

This resolves "Linter on the use of Capture tag with static blocks (static blocks used in 'capture')" on the list of Theme Checks for Static Blocks

What's next? Any followup issues?

No

What did you learn?

First theme check, so I learned a lot of introductory things :)

Before you deploy

• [ ] This PR includes a new checks or changes the configuration of a check
  • [x] I included a minor bump changeset
  • [x] It's in the allChecks array in src/checks/index.ts
  • [x] I ran yarn build and committed the updated configuration files
  • [ ] If applicable, I've updated the theme-app-extension.yml config

• [x] I included a minor bump changeset
• [x] My feature is backward compatible