qa/lsan.supp: suppress CPython 3.12/3.13 interpreter leaks

qa/lsan.supp: suppress CPython 3.12/3.13 interpreter leaks

The python binaries on some CI images and dev boxes ship stripped, so the
allocator frames in an interpreter-shutdown leak come through unsymbolised
(/usr/bin/python3.13+0x...) and the function-name matches above cannot apply.
leak:python3.10 already handled this for 3.10, and a stale comment claimed 3.12
does not leak.

Add leak:python3.12 and leak:python3.13, mirroring the 3.10 entry, so the
interpreter globals are suppressed whatever CPython the build uses.

Signed-off-by: Kefu Chai <k.chai@proxmox.com>