gh-40227: Upgrade to symmetrica 3.1.0
    
This also fixes the build error with gcc-15

I've already uploaded the tarball to https://github.com/sagemath/sage-
package/releases/tag/tars
    
URL: #40227
Reported by: Volker Braun
Reviewer(s): Dima Pasechnik

Author: Release Manager

build/pkgs/symmetrica/checksums.ini

@@ -1,4 +1,4 @@
 tarball=symmetrica-VERSION.tar.xz
-sha1=0044cc087ff04267c246e730c6570d89f6e593af
-sha256=05ae107ec41f38cada19c26b6d7884970cbafae6e3b55ec3964896230358b456
+sha1=fe96f10bac51997478ec1d08cb65810c29a74f54
+sha256=2efc4b1d047c6fe036453882a20e906ca2bedecae888356c7626447db2b10fd3
 upstream_url=https://github.com/sagemath/sage-package/releases/download/tars/symmetrica-VERSION.tar.xz

build/pkgs/symmetrica/package-version.txt

@@ -1 +1 @@
-3.0.1
+3.1.0