fix(ci): use HTTPS URL in yarn.lock for libsignal

The yarn.lock had SSH URL hardcoded which fails in CI without SSH keys.
Changed resolved URL from git+ssh:// to git+https:// for libsignal.

https://claude.ai/code/session_01QPt4WssG6jjEciQKdVpFtK

.yarnrc.yml

@@ -1,6 +1 @@
 nodeLinker: node-modules
-
-# Force HTTPS for GitHub git dependencies (fixes CI permission errors)
-gitUrlSubstitution:
-  "ssh://git@github.com/": "https://github.com/"
-  "git@github.com:": "https://github.com/"