v1.17.0 - Title from first bold text option

Adds an option to use the first bold line as a title, this behaviour is disabled by default:

plugins:
  - search
  - callouts:
      title_from_first_bold: true

> [!INFO]
> **This is the title**
> This is the content of the callout block.

Will render as:

!!! info "This is the title"
    This is the content of the callout block.

What's Changed

• Bump codecov/codecov-action from 6 to 7 in the github-actions-updates group by @dependabot[bot] in #31
• Bump actions/checkout from 6 to 7 in the github-actions-updates group by @dependabot[bot] in #32
• Bump actions/setup-python from 6 to 7 in the github-actions-updates group by @dependabot[bot] in #33
• feat: add an option to use the first bold text as title by @sondregronas in #35

Full Changelog: v1.16.1...v1.17.0