[Fix] Complete lua_State parameter threading through codebase

[Fix] Complete lua_State parameter threading through codebase

- Add forward declaration in url.c for rspamd_url_lua_consult
- Add lua_State forward declaration in html_url.hxx
- Add lua_State parameter to html_append_tag_content
- Add lua_State parameter to html_process_img_tag
- Add lua_State parameter to html_process_link_tag
- Add lua_State parameter to html_url_is_phished
- Cast void* to lua_State* when calling HTML functions from task context
- Cast lua_State* to void* when calling C API from C++ functions
- All compilation errors resolved
- Build successful