emacs-31 updated (ba7d2b82325 -> d1c3ba95cb1)

dgutov pushed a change to branch emacs-31.

      from  ba7d2b82325 * admin/notes/jargon: Add TTTT.
       new  707b0ba0f4c Fix project--clear-cache and project--value-in-dir in special case
       new  5fde9732b4b Localize cache invalidation to project-try-vc
       new  d1c3ba95cb1 * lisp/progmodes/project.el: Update Commentary.


Summary of changes:
 lisp/progmodes/project.el            | 104 +++++++++++++++++------------------
 test/lisp/progmodes/project-tests.el |  80 ++++++++++++++++++++++++++-
 2 files changed, 129 insertions(+), 55 deletions(-)