chore(deps): bump wpackagist-plugin/conditional-blocks

Bumps wpackagist-plugin/conditional-blocks from 3.1.3 to 3.1.6.

---
updated-dependencies:
- dependency-name: wpackagist-plugin/conditional-blocks
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]