master
ci, iwyu: Enforce warning-free `src/common`
scripted-diff: [doc] Unify stale copyright headers
refactor: Move license info into new module
util: Remove brittle and confusing sp::Popen(std::string)
refactor: Enforce readability-avoid-const-params-in-decls
windows: remove deprecated codecvt via UTF-8 narrow APIs
refactor: Remove unused #include in common/system
psbt: Return std::optional from PrecomputePSBTData
common: Add unused UrlEncode function