Update non-security-related things

[geerlingguy]

Drupal Core, Gin theme, Search API Solr, etc. all have minor updates available.

[geerlingguy]

composer update --with-dependencies drupal/gin
composer update --with-dependencies drupal/search_api_solr
composer update --with-dependencies drupal/admin_toolbar
composer update --with-dependencies drupal/core-recommended

Each one passed tests, deployed, and we're up to date!