SilverStripe 4.10 & PHP8.1 fix deprecation warnings

composer.json

  "require": {
  ...        
  "cweagans/composer-patches": "^1.7"
  ...
    "extra": {
       "patches": {
            "silverstripe/framework": {
                "Fix SilverStripe deprecations error_reporting for PHP 8.1": "./fix-deprecation-error_reporting.4.10.4.patch"
            }
       }
    }
  ...

fix-deprecation-error_reporting.4.10.4.patch

Index: src/Core/CoreKernel.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/src/Core/CoreKernel.php b/src/Core/CoreKernel.php
--- a/src/Core/CoreKernel.php	(revision 82aba312fe2d8a2563331052d6783556b143e803)
+++ b/src/Core/CoreKernel.php	(date 1649429323640)
@@ -461,7 +461,8 @@
             error_reporting(E_ALL & ~(E_DEPRECATED | E_STRICT | E_NOTICE));
         } else {
             // Report all errors in dev / test mode
-            error_reporting(E_ALL | E_STRICT);
+//            error_reporting(E_ALL | E_STRICT);
+            error_reporting(E_ALL & ~E_USER_DEPRECATED & ~E_DEPRECATED);
         }

         /**