Added NEWS and UPGRADING entries

Author: marc-mabe

NEWS

@@ -9,6 +9,7 @@ Core:
 
 Date:
   . Added DateTime[Immutable]::createFromTimestamp. (Marc Bennewitz)
+  . Added DateTime[Immutable]::[get|set]Microseconds. (Marc Bennewitz)
 
 DOM:
   . Added DOMNode::compareDocumentPosition(). (nielsdos)
@@ -106,7 +107,7 @@ Standard:
     (nielsdos)
   . Removed the deprecated inet_ntoa call support. (David Carlier)
   . Cast large floats that are within int range to int in number_format so
-    the precision is not lost. (Marc Bennewitz) 
+    the precision is not lost. (Marc Bennewitz)
 
 XML:
   . Added XML_OPTION_PARSE_HUGE parser option. (nielsdos)

UPGRADING

@@ -118,6 +118,9 @@ PHP 8.4 UPGRADE NOTES
 - Date:
   . Added static methods
     DateTime[Immutable]::createFromTimestamp(int|float $timestamp): static.
+  . Added method DateTime[Immutable]::getMicroseconds(): int.
+  . Added method
+    DateTime[Immutable]::setMicroseconds(int $microseconds): static.
 
 - DOM:
   . Added constant DOMNode::DOCUMENT_POSITION_DISCONNECTED.