Update drupal stability tag to 4.20.6

Author: wodbot

.env

@@ -24,9 +24,9 @@ MARIADB_TAG=10.4-3.8.6
 
 ### --- VANILLA DRUPAL ----
 
-DRUPAL_TAG=9-4.20.5
-#DRUPAL_TAG=8-4.20.5
-#DRUPAL_TAG=7-4.20.5
+DRUPAL_TAG=9-4.20.6
+#DRUPAL_TAG=8-4.20.6
+#DRUPAL_TAG=7-4.20.6
 
 ### --- PHP ----
 

tests/9/.env

@@ -13,5 +13,5 @@ SOLR_CONFIG_SET="search_api_solr_4.0"
 
 NGINX_VHOST_PRESET=drupal9
 NGINX_TAG=1.19-5.10.3
-DRUPAL_STABILITY_TAG=4.20.5
+DRUPAL_STABILITY_TAG=4.20.6