Update drupal/pantheon_advanced_page_cache requirement from 2.3.0 to …

…2.3.1 in /upstream (#292)

Update drupal/pantheon_advanced_page_cache requirement in /upstream

Updates the requirements on drupal/pantheon_advanced_page_cache to permit the latest version.

---
updated-dependencies:
- dependency-name: drupal/pantheon_advanced_page_cache
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

upstream/composer.json

@@ -20,7 +20,7 @@
         "drupal/config_import_single": "2.0.0",
         "drupal/core-composer-scaffold": "~10.3.0",
         "drupal/core-recommended": "~10.3.0",
-        "drupal/pantheon_advanced_page_cache": "2.3.0",
+        "drupal/pantheon_advanced_page_cache": "2.3.1",
         "drupal/redis": "1.7",
         "drush/drush": "^12.4.3",
         "oomphinc/composer-installers-extender": "^2.0.0",