I just ran into this issue as well. I spent some time bisecting last
night and tracked it down to a change in guile-git's dependency on
libgit2:

  9f00975f55e569fc3ba204fc34261a942a19b4e5 is the first bad commit
  commit 9f00975f55e569fc3ba204fc34261a942a19b4e5
  Author: Ludovic Courtès <ludo@gnu.org>
  Date:   Mon Feb 26 22:15:57 2024 +0100
  
      gnu: guile-git: Depend on libgit2 1.7.
      
      * gnu/packages/guile.scm (guile-git)[inputs]: Replace LIBGIT2-1.3 
with
      LIBGIT2-1.7.
      
      Change-Id: Ia386f977b0888b7bd9b26443ac6150428fda2155
  
   gnu/packages/guile.scm | 4 +---
   1 file changed, 1 insertion(+), 3 deletions(-)