Bump core versions to 11.1.7/10.4.7

Closes #3523329

includes/include.drupalci.hidden-variables.yml

@@ -13,7 +13,7 @@ variables:
   ################
 
   # The most recent, stable version of Drupal.
-  CORE_STABLE: '11.1.6'
+  CORE_STABLE: '11.1.7'
 
   # The most recent security release in the latest major version of Drupal.
   CORE_SECURITY: '11.1.5'
@@ -25,7 +25,7 @@ variables:
   CORE_SECURITY_PREVIOUS_MINOR: '11.0.13'
 
   # The most recent, stable previous major version of Drupal.
-  CORE_PREVIOUS_STABLE: '10.4.6'
+  CORE_PREVIOUS_STABLE: '10.4.7'
 
   # The most recent security release in the previous major version of Drupal.
   CORE_PREVIOUS_SECURITY: '10.4.5'