add 5.4.5 and 5.5.3

_posts/2023-02-28-cgal552.md

@@ -3,7 +3,7 @@ layout: post
 title: "CGAL 5.5.2 released"
 description: "CGAL 5.5.2"
 category:
-tags: ["latest-release"]
+tags: ["release"]
 ---
 {% include JB/setup %}
 

_posts/2023-07-28-cgal5.4.5.md

@@ -0,0 +1,18 @@
+---
+layout: post
+title: "CGAL 5.4.5 released"
+description: "CGAL 5.4.5"
+category:
+tags: ["release"]
+---
+{% include JB/setup %}
+
+<i class="glyphicon glyphicon-download"></i>
+<a href="https://github.com/CGAL/cgal/releases/tag/v5.4.5">Download CGAL-5.4.5</a>
+
+<i class="glyphicon glyphicon-book"></i>
+<a href="https://doc.cgal.org/5.4.5/Manual/index.html">CGAL-5.4.5 documentation</a>
+
+<p>CGAL 5.4.5 is a bug-fix release for <a href="../../../../2022/01/31/cgal54">CGAL 5.4</a>.
+The list of fixed bugs since <a href="../../../../2023/02/28/cgal5.4.4/">CGAL 5.4.4</a>
+can be accessed <a href="https://github.com/CGAL/cgal/issues?q=label%3AMerged_in_5.4.5+-label%3AMerged_in_5.4.4">on Github</a>.</p>

_posts/2023-07-28-cgal553.md

@@ -0,0 +1,18 @@
+---
+layout: post
+title: "CGAL 5.5.3 released"
+description: "CGAL 5.5.3"
+category:
+tags: ["latest-release"]
+---
+{% include JB/setup %}
+
+<i class="glyphicon glyphicon-download"></i>
+<a href="https://github.com/CGAL/cgal/releases/tag/v5.5.3">Download CGAL-5.5.3</a>
+
+<i class="glyphicon glyphicon-book"></i>
+<a href="https://doc.cgal.org/5.5.3/Manual/index.html">CGAL-5.5.3 documentation</a>
+
+<p>CGAL 5.5.3 is a bug-fix release for <a href="../../../../2022/07/15/cgal55">CGAL 5.5</a>.
+The list of fixed bugs since <a href="../../../../2023/02/28/cgal552">CGAL 5.5.2</a>
+can be accessed <a href="https://github.com/CGAL/cgal/issues?q=sort%3Aupdated-desc+label%3AMerged_in_5.5.3+-label%3AMerged_in_5.5.2">on Github</a>.</p>