build: add git describe result in binary

This permits to know which commit has been used to build the binary.

Refs #73687

Change-Id: I9582a3e8acc76d022fd4ea971aed642dc164baff
diff --git a/aboutdialog.ui b/aboutdialog.ui
index e4641af..c0f6a3e 100644
--- a/aboutdialog.ui
+++ b/aboutdialog.ui
@@ -550,6 +550,16 @@
        </widget>
       </item>
       <item alignment="Qt::AlignHCenter">
+       <widget class="QLabel" name="gitVersionLabel">
+        <property name="text">
+         <string>version : </string>
+        </property>
+        <property name="margin">
+         <number>5</number>
+        </property>
+       </widget>
+      </item>
+      <item alignment="Qt::AlignHCenter">
        <widget class="QLabel" name="releaseLabel">
         <property name="text">
          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Release : Samuel de Champlain&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>