upgrade search_api_solr

Author: DuttonMa

composer.json

@@ -140,7 +140,7 @@
         "drupal/search_api": "^1.26",
         "drupal/search_api_autocomplete": "^1.4",
         "drupal/search_api_location": "^1.0@alpha",
-        "drupal/search_api_solr": "4.1.12",
+        "drupal/search_api_solr": "^4.2",
         "drupal/search_api_spellcheck": "^4.0",
         "drupal/shs": "^2.0@RC",
         "drupal/simplei": "^1.1",