doxygen: upgrade to 1.13.2

Doxyfile

@@ -1,4 +1,4 @@
-# Doxyfile 1.13.1
+# Doxyfile 1.13.2
 
 # This file describes the settings to be used by the documentation system
 # Doxygen (www.doxygen.org) for a project.
@@ -2740,24 +2740,29 @@ DIR_GRAPH_MAX_DEPTH    = 1
 # generated by dot. For an explanation of the image formats see the section
 # output formats in the documentation of the dot tool (Graphviz (see:
 # https://www.graphviz.org/)).
-# Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order
-# to make the SVG files visible in IE 9+ (other browsers do not have this
-# requirement).
+#
+# Note the formats svg:cairo and svg:cairo:cairo cannot be used in combination
+# with INTERACTIVE_SVG (the INTERACTIVE_SVG will be set to NO).
 # Possible values are: png, jpg, gif, svg, png:gd, png:gd:gd, png:cairo,
-# png:cairo:gd, png:cairo:cairo, png:cairo:gdiplus, png:gdiplus and
-# png:gdiplus:gdiplus.
+# png:cairo:gd, png:cairo:cairo, png:cairo:gdiplus, png:gdiplus,
+# png:gdiplus:gdiplus, svg:cairo, svg:cairo:cairo, svg:svg, svg:svg:core,
+# gif:cairo, gif:cairo:gd, gif:cairo:gdiplus, gif:gdiplus, gif:gdiplus:gdiplus,
+# gif:gd, gif:gd:gd, jpg:cairo, jpg:cairo:gd, jpg:cairo:gdiplus, jpg:gd,
+# jpg:gd:gd, jpg:gdiplus and jpg:gdiplus:gdiplus.
 # The default value is: png.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
 DOT_IMAGE_FORMAT       = png
 
-# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
-# enable generation of interactive SVG images that allow zooming and panning.
+# If DOT_IMAGE_FORMAT is set to svg or svg:svg or svg:svg:core, then this option
+# can be set to YES to enable generation of interactive SVG images that allow
+# zooming and panning.
 #
 # Note that this requires a modern browser other than Internet Explorer. Tested
 # and working are Firefox, Chrome, Safari, and Opera.
-# Note: For IE 9+ you need to set HTML_FILE_EXTENSION to xhtml in order to make
-# the SVG files visible. Older versions of IE do not have SVG support.
+#
+# Note This option will be automatically disabled when DOT_IMAGE_FORMAT is set
+# to svg:cairo or svg:cairo:cairo.
 # The default value is: NO.
 # This tag requires that the tag HAVE_DOT is set to YES.
 

docs/DoxygenLayout.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <doxygenlayout version="2.0">
-  <!-- Generated by doxygen 1.13.1 -->
+  <!-- Generated by doxygen 1.13.2 -->
   <!-- Navigation index tabs for HTML output -->
   <navindex>
     <tab type="mainpage" visible="yes" title=""/>

etc/generate-latest-apidocs.sh

@@ -11,7 +11,7 @@ set -o errexit
 set -o pipefail
 
 LATEST_VERSION="4.0.0"
-DOXYGEN_VERSION_REQUIRED="1.13.1"
+DOXYGEN_VERSION_REQUIRED="1.13.2"
 
 # Permit using a custom Doxygen binary.
 : "${DOXYGEN_BINARY:=doxygen}"