Update NEWS/UPGRADING for SplFileObject deprecations

Author: Girgias

NEWS

@@ -112,6 +112,12 @@ PHP                                                                        NEWS
   . Fixed incorrect parameter name in sodium_add(), sodium_memcmp(), and
     sodium_compare() length-mismatch error messages. (lacatoire)
 
+- SPL:
+  . The following SplFileObject methods have been deprecated
+    SplFileObject::fgetcsv(), SplFileObject::fputcsv(),
+    SplFileObject::setCsvControl(), and SplFileObject::getCsvControl().
+    (Girgias)
+
 - Standard:
   . Fixed incorrect parameter name in convert_uudecode() warning. (lacatoire)
   . Added support for the "<" and ">" endianness modifiers in pack() and

UPGRADING

@@ -566,6 +566,12 @@ PHP 8.6 UPGRADE NOTES
     * ArrayIterator::unserialize()
     * ArrayIterator::serialize()
     RFC: https://wiki.php.net/rfc/deprecations_php_8_6#deprecate_arrayiterator_methods_that_inherit_arrayobject_implementation
+  . The following SplFileObject methods are now deprecated
+    * SplFileObject::fgetcsv()
+    * SplFileObject::fputcsv()
+    * SplFileObject::setCsvControl()
+    * SplFileObject::getCsvControl()
+    RFC: https://wiki.php.net/rfc/deprecations_php_8_6#deprecate_splfileobject_csv_methods
 
 - Standard:
   . metaphone() is deprecated.