updates

[chrisnc]

• add python 3.12
• update required cffi version
• uprev actions/setup-python to v5
• update black

[googlebleh]

investigated segfault. tl;dr is that it happens on main too, so it's unrelated to this PR

it's intermittent

cwee@cwee-HP-ZBook-Studio-G7 13:59:55 ~/repos/liblithium remotes/origin/updates
$ docker exec -it act-CI-Linux-Test-08238fc7bee108decdd68893acab34cc4e8ff9b9e096ea80d1fc57c41208bf57 /bin/bash
root@cwee-HP-ZBook-Studio-G7:/home/cwee/repos/liblithium# build/16/test/test_lwc_hash_kat > build/16/test/test_lwc_hash_kat.txt
root@cwee-HP-ZBook-Studio-G7:/home/cwee/repos/liblithium# build/16/test/test_lwc_hash_kat > build/16/test/test_lwc_hash_kat.txt
root@cwee-HP-ZBook-Studio-G7:/home/cwee/repos/liblithium# build/16/test/test_lwc_hash_kat > build/16/test/test_lwc_hash_kat.txt
root@cwee-HP-ZBook-Studio-G7:/home/cwee/repos/liblithium# build/16/test/test_lwc_hash_kat > build/16/test/test_lwc_hash_kat.txt
Segmentation fault (core dumped)

and segfaults in asan startup before running any lithium tests

root@cwee-HP-ZBook-Studio-G7:/home/cwee/repos/liblithium# gdb --ex=run --args env ASAN_OPTIONS='detect_leaks=0' build/16/test/test_lwc_hash_kat
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04) 12.1
...
Type "apropos word" to search for commands related to "word"...
Reading symbols from env...
(No debugging symbols found in env)
Starting program: /usr/bin/env ASAN_OPTIONS=detect_leaks=0 build/16/test/test_lwc_hash_kat
warning: Error disabling address space randomization: Operation not permitted
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 3480 is executing new program: /home/cwee/repos/liblithium/build/16/test/test_lwc_hash_kat
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x000060911cd2c441 in __sanitizer::internal_mmap(void*, unsigned long, int, int, int, unsigned long long) ()
(gdb) bt
#0  0x000060911cd2c441 in __sanitizer::internal_mmap(void*, unsigned long, int, int, int, unsigned long long) ()
#1  0x000060911cd2d88a in __sanitizer::MmapNamed(void*, unsigned long, int, int, char const*) ()
#2  0x000060911cd347f8 in __sanitizer::ReservedAddressRange::Init(unsigned long, char const*, unsigned long) ()
#3  0x000060911cc98faa in __sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> >::Init(int, unsigned long) ()
#4  0x000060911cc965bd in __asan::Allocator::InitLinkerInitialized(__asan::AllocatorOptions const&) ()
#5  0x000060911cd204d4 in __asan::AsanInitInternal() ()
#6  0x00007a1c249475be in _dl_init (main_map=0x7a1c2497c2e0, argc=1, argv=0x7ffd3b2e6a28, env=0x7ffd3b2e6a38) at ./elf/dl-init.c:102
#7  0x00007a1c249612ca in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
#8  0x0000000000000001 in ?? ()
#9  0x00007ffd3b2e8720 in ?? ()
#10 0x0000000000000000 in ?? ()
(gdb) disas
Dump of assembler code for function _ZN11__sanitizer13internal_mmapEPvmiiiy:
   0x000060911cd2c420 <+0>:     add    %al,(%rax)
   0x000060911cd2c422 <+2>:     add    %al,(%rax)
   0x000060911cd2c424 <+4>:     add    %al,(%rax)
   0x000060911cd2c426 <+6>:     add    %al,(%rax)
   0x000060911cd2c428 <+8>:     add    %al,(%rax)
   0x000060911cd2c42a <+10>:    add    %al,(%rax)
   0x000060911cd2c42c <+12>:    add    %al,(%rax)
   0x000060911cd2c42e <+14>:    add    %al,(%rax)
   0x000060911cd2c430 <+16>:    add    %al,(%rax)
   0x000060911cd2c432 <+18>:    add    %al,(%rax)
   0x000060911cd2c434 <+20>:    add    %al,(%rax)
   0x000060911cd2c436 <+22>:    add    %al,(%rax)
   0x000060911cd2c438 <+24>:    add    %al,(%rax)
   0x000060911cd2c43a <+26>:    add    %al,(%rax)
   0x000060911cd2c43c <+28>:    add    %al,(%rax)
   0x000060911cd2c43e <+30>:    add    %al,(%rax)
   0x000060911cd2c440 <+32>:    add    %al,(%rax)
   0x000060911cd2c442 <+34>:    add    %al,(%rax)
   0x000060911cd2c444 <+36>:    add    %al,(%rax)
   0x000060911cd2c446 <+38>:    add    %al,(%rax)
End of assembler dump.
(gdb) i r
rax            0x600000000000      105553116266496
rbx            0xffffffffffffffff  -1
rcx            0x60911cd2c441      106176370099265
rdx            0x0                 0
rsi            0x40000002000       4398046519296
rdi            0x600000000000      105553116266496
rbp            0x600000000000      0x600000000000
rsp            0x7ffd3b2e68e0      0x7ffd3b2e68e0
r8             0xffffffffffffffff  -1
r9             0x0                 0
r10            0x4032              16434
r11            0x246               582
r12            0x7ffd3b2e6a28      140725596351016
r13            0x7ffd3b2e6a38      140725596351032
r14            0x0                 0
r15            0x4032              16434
rip            0x60911cd2c441      0x60911cd2c441 <__sanitizer::internal_mmap(void*, unsigned long, int, int, int, unsigned long long)+33>
eflags         0x10246             [ PF ZF IF RF ]
cs             0x33                51
ss             0x2b                43
ds             0x0                 0
es             0x0                 0
fs             0x0                 0
gs             0x0                 0