CI: bump to MATLAB R2023a

(manually cherry picked from commit 4f52ba0d)

.gitlab-ci.yml

 variables:
   GIT_SUBMODULE_STRATEGY: recursive
   TERM: linux
-  MATLAB_VERSION: R2022b
+  MATLAB_VERSION: R2023a
   OLD_MATLAB_VERSION: R2014a
 
 # The next stanza creates the version number used for the source tarball and the

dseries @ 2dfd2702

-Subproject commit 617ef2e11925f336184a5c4b52bd708d49170219
+Subproject commit 2dfd2702c3d3e14c3e38f5172420877b24757eb8

reporting @ 48649472

-Subproject commit 021e916c6bf99090416845a8f6e7ea54a9403013
+Subproject commit 486494725898137366b5b85164ac8d7ca773a61f