Squashed 'external/toxcore/c-toxcore/' changes from 55752a2e2ef..11ab1d2a723

11ab1d2a723 fix: reduce memory usage in group chats by 75% Significantly reduced the memory usage of groups since all message slots are preallocated for every peer for send and receive buffers of buffer size (hundreds of MiB peak when save contained alot of peers to try to connect to)
4f09f4e147c chore: Fix tsan build by moving it to GitHub CI.
6460c25c9e0 refactor: Use `merge_sort` instead of `qsort` for sorting.
c660bbe8c95 test: Fix crypto_test to initialise its plain text buffer.
0204db6184b cleanup: Fix layering check warnings.
df2211e1548 refactor: Use tox memory allocator for temporary buffers in crypto.
ac812871a2e feat: implement the last 2 missing network struct functions and make use of them
29d1043be0b test: friend request test now tests min/max message sizes
93aafd78c1f fix: friend requests with very long messages are no longer dropped
819aa2b2618 feat: Add option to disable DNS lookups in toxcore.
0ac23cee035 fix: windows use of REUSEADDR
7d2811d302d chore(ci): make bazel server shutdown faster
1dc399ba20d chore: Use vcpkg instead of conan in the MSVC build.
14d823165d9 chore: Migrate to conan 2.
bdd17c16787 cleanup: Allocate logger using tox memory allocator.
b396c061515 chore(deps): bump third_party/cmp from `2ac6bca` to `52bfcfa`
2e94da60d09 feat(net): add missing connect to network struct
41fb1839c7b chore: Add check to ensure version numbers agree.
934a8301113 chore: Release 0.2.20
3acef4bf044 fix: Add missing free in dht_get_nodes_response event.

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 11ab1d2a7232eee19b51ce126ccce267d6578903

CHANGELOG.md

@@ -1,5 +1,35 @@
 
 
+## v0.2.20
+
+### Merged PRs:
+
+- [#2788](https://github.com/TokTok/c-toxcore/pull/2788) fix: Add missing free in dht_get_nodes_response event.
+- [#2786](https://github.com/TokTok/c-toxcore/pull/2786) cleanup: Fix all `-Wsign-compare` warnings.
+- [#2785](https://github.com/TokTok/c-toxcore/pull/2785) fix: wrong comment for closelist
+- [#2784](https://github.com/TokTok/c-toxcore/pull/2784) chore: lower cirrus ci timeout drastically
+- [#2783](https://github.com/TokTok/c-toxcore/pull/2783) fix: Return an error instead of crashing on nullptr args in NGC.
+- [#2782](https://github.com/TokTok/c-toxcore/pull/2782) fix(toxav): pass video bit rate as kbit
+- [#2780](https://github.com/TokTok/c-toxcore/pull/2780) chore: Add release-drafter github action.
+- [#2779](https://github.com/TokTok/c-toxcore/pull/2779) chore: Use toktok's cmp instead of upstream.
+- [#2778](https://github.com/TokTok/c-toxcore/pull/2778) cleanup: Sort apk/apt install commands in Dockerfiles.
+- [#2777](https://github.com/TokTok/c-toxcore/pull/2777) chore: Upgrade to FreeBSD 14.1 in cirrus build.
+- [#2772](https://github.com/TokTok/c-toxcore/pull/2772) fix: friend_connections leak on allocation failure.
+- [#2771](https://github.com/TokTok/c-toxcore/pull/2771) fix: events leak that can occur if allocation fails
+- [#2769](https://github.com/TokTok/c-toxcore/pull/2769) chore(ci): new minimum for all android versions is 21
+- [#2768](https://github.com/TokTok/c-toxcore/pull/2768) fix: toxav rtp temp buffer allocation size was too large
+- [#2762](https://github.com/TokTok/c-toxcore/pull/2762) chore(cmake): set options changes as cache and with force
+- [#2761](https://github.com/TokTok/c-toxcore/pull/2761) chore: Fix CI
+- [#2757](https://github.com/TokTok/c-toxcore/pull/2757) fix: Use Opus in the CBR mode
+- [#2755](https://github.com/TokTok/c-toxcore/pull/2755) chore: Fix Circle CI build failing
+- [#2754](https://github.com/TokTok/c-toxcore/pull/2754) docs(toxav): fix docs of toxav.h
+- [#2751](https://github.com/TokTok/c-toxcore/pull/2751) chore(deps): bump golang.org/x/net from 0.17.0 to 0.23.0 in /other/bootstrap_daemon/websocket/websockify
+- [#2747](https://github.com/TokTok/c-toxcore/pull/2747) fix: Memory leak in the bootstrap daemon
+- [#2745](https://github.com/TokTok/c-toxcore/pull/2745) chore: Fix GitHub actions deprecation warnings
+- [#2717](https://github.com/TokTok/c-toxcore/pull/2717) cleanup: Remove useless if clause
+- [#2692](https://github.com/TokTok/c-toxcore/pull/2692) refactor: Make tox-bootstrapd use bool instead of int
+- [#2651](https://github.com/TokTok/c-toxcore/pull/2651) refactor: Make ToxAV independent of toxcore internals.
+
 ## v0.2.19
 
 ### Merged PRs:
@@ -30,6 +60,7 @@
 - [#2697](https://github.com/TokTok/c-toxcore/pull/2697) test: Build toxcore on NetBSD (VM).
 - [#2696](https://github.com/TokTok/c-toxcore/pull/2696) fix: save_compatibility_test failing on big-endian systems
 - [#2695](https://github.com/TokTok/c-toxcore/pull/2695) fix: Don't serve files from websockify.
+- [#2691](https://github.com/TokTok/c-toxcore/pull/2691) chore: Release 0.2.19
 - [#2689](https://github.com/TokTok/c-toxcore/pull/2689) fix: Correctly pass extended public keys to group moderation code.
 - [#2686](https://github.com/TokTok/c-toxcore/pull/2686) chore: Compile libsodium reference implementation with compcert.
 - [#2685](https://github.com/TokTok/c-toxcore/pull/2685) cleanup: correct a few nullable annotations
@@ -252,6 +283,7 @@
 - [#2739](https://github.com/TokTok/c-toxcore/issues/2739) Tox_Options.operating_system is not clear about it being an experimental option
 - [#2734](https://github.com/TokTok/c-toxcore/issues/2734) error compiling on fedora
 - [#2649](https://github.com/TokTok/c-toxcore/issues/2649) create_extended_keypair should use Random and be made deterministic for fuzzing
+- [#2462](https://github.com/TokTok/c-toxcore/issues/2462) Fix code scanning alert - Uncontrolled data used in path expression
 - [#2358](https://github.com/TokTok/c-toxcore/issues/2358) resolve_bootstrap_node assert hit
 - [#2352](https://github.com/TokTok/c-toxcore/issues/2352) SEGV after infinite loop retrying proxy_socks5_read_connection_response
 - [#2335](https://github.com/TokTok/c-toxcore/issues/2335) ipv6 disabled on kernel cmdline disrupts Tox = most tests fail