Bump wpackagist-plugin/wordpress-seo from 19.8 to 23.7

Bumps wpackagist-plugin/wordpress-seo from 19.8 to 23.7.

---
updated-dependencies:
- dependency-name: wpackagist-plugin/wordpress-seo
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

composer.json

@@ -31,7 +31,7 @@
         "php": ">=7.1",
         "figuren-theater/ft-options": "*",
         "wpackagist-plugin/sharing-image": "^2.0",
-        "wpackagist-plugin/wordpress-seo": "19.8"
+        "wpackagist-plugin/wordpress-seo": "23.7"
     },
     "require-dev": {
         "figuren-theater/code-quality": "^1.1"