Election for Séraphin Costa as Committer on Eclipse Sirius

Séraphin has made an impact on the project.

They have addressed the following bugs:
* 0f21248aab [cleanup] Reorder dispose instructions in reverse order of construction
* 84627d3992 [81] Fix "Widget is Dispose" Error when closing diagram
* f9b3356660 [81] Add multiline feature for diagram toolbar
* 45fd28f319 [9] Fix an NPE caused by setting a variable to null in dispose
* e7aa831a64 [91] Fix custom feature label format bug on edges.
* f5dd06c7fe [9] Allow the image paste on nodes in diagram from clipboard
* 75ffe1f58a [91] Fix the reset style button which was always disabled on edges.
* a0a0e0a68c [82] Fix disconnected note attachment problem with edge and note/text
* d8f67e0e94 [82] Add test for disconnected note attachment problem with edge
* 90e9a599d4 [doc] Move item of note attachment reconnection in release note
* 512583a07b [581811] Correctly reconnect Note Attachments after changes
* e2b4989be6 [test] Fix Sirius tests that fail due to upgrade to 2023-03 (next part)
* 21dd1b5424 [test] Pool `copyFileToProject` in abstract class for test
* f6467a3653 [test] Fix of some test in success because of a silent error
* a816bb7214 [test] Fix Sirius tests that fail due to upgrade to 2023-03
* 028f574674 [581743] Fix style button that still enabled after reset on nodes
* bfb0a64591 [581808] Add quick fix to remove image not found for diagram elements

It is my pleasure to nominate Séraphin as a committer on Eclipse Sirius.