Bump wpackagist-theme/lsx from 2.9.5 to 3.0

Bumps wpackagist-theme/lsx from 2.9.5 to 3.0.

---
updated-dependencies:
- dependency-name: wpackagist-theme/lsx
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -12,7 +12,7 @@
         "wp-coding-standards/wpcs": "^2.3",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7.0",
         "wpackagist-plugin/tour-operator": "^1.4.1",
-        "wpackagist-theme/lsx": "^2.8.0",
+        "wpackagist-theme/lsx": "^3.0",
         "phpcompatibility/phpcompatibility-wp": "^2.1.0"
     },
     "repositories":[{