sysutils/conky{,-awesome}: Update to 1.25.3

ChangeLog: https://github.com/brndnmtthws/conky/releases/tag/v1.25.3

What's Changed

• chore: bump version to v1.25.3
• ci: stop publishing sha256 checksums for AppImage releases
• feat: add lua_http_response_hook for customizable HTTP responses
• fix(lua): make llua_do_call re-entrant and validate hook status
• style: pin clang-format in mise and apply to C/C++ sources
• fix(x11,wayland): load fonts before setup to avoid spurious index warning
• test(x11): serialize probe snapshots during window transitions
• fix(x11): preserve foreground alpha independently of background