prepare 4.10.3

CHANGELOG.txt

-4.10.3 (Work-in-progress): small bug fixes.
+4.10.3 (May 26, 2022): small bug fixes.
 
 * New API function: fltk/finalize
 

doc/gmsh.html

@@ -98,17 +98,17 @@ Public License (GPL)</a>:
 <ul>
   <li>
     <div class="highlight">
-      Current stable release (version 4.10.2, 13 May 2022):
+      Current stable release (version 4.10.3, 25 May 2022):
       <ul>
         <li>Download Gmsh for
-          <a href="bin/Windows/gmsh-4.10.2-Windows64.zip">Windows</a>,
-          <a href="bin/Linux/gmsh-4.10.2-Linux64.tgz">Linux</a> or
-          <a href="bin/MacOSX/gmsh-4.10.2-MacOSX.dmg">macOS</a> <a href="#1"><sup>*</sup></a>
-        <li>Download the <a href="src/gmsh-4.10.2-source.tgz">source code</a>
+          <a href="bin/Windows/gmsh-4.10.3-Windows64.zip">Windows</a>,
+          <a href="bin/Linux/gmsh-4.10.3-Linux64.tgz">Linux</a> or
+          <a href="bin/MacOSX/gmsh-4.10.3-MacOSX.dmg">macOS</a> <a href="#1"><sup>*</sup></a>
+        <li>Download the <a href="src/gmsh-4.10.3-source.tgz">source code</a>
         <li>Download the Software Development Kit (SDK) for
-          <a href="bin/Windows/gmsh-4.10.2-Windows64-sdk.zip">Windows</a>,
-          <a href="bin/Linux/gmsh-4.10.2-Linux64-sdk.tgz">Linux</a> or
-          <a href="bin/MacOSX/gmsh-4.10.2-MacOSX-sdk.tgz">macOS</a> <a href="#1"><sup>*</sup></a>
+          <a href="bin/Windows/gmsh-4.10.3-Windows64-sdk.zip">Windows</a>,
+          <a href="bin/Linux/gmsh-4.10.3-Linux64-sdk.tgz">Linux</a> or
+          <a href="bin/MacOSX/gmsh-4.10.3-MacOSX-sdk.tgz">macOS</a> <a href="#1"><sup>*</sup></a>
         <li>Download both Gmsh and the SDK with pip: '<code>pip install --upgrade
             <a href="https://pypi.org/project/gmsh/">gmsh</a></code>'
       </ul>