Make CertificateInfo a std::unique_ptr

6 jobs from add-certificateinfo-to-qt-frontend in 12 minutes and 6 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #58316
build

00:04:31

passed #58321
build_android

00:00:53

passed #58317
build_clang_libcpp

00:04:24

passed #58320
build_clazy

00:04:05

passed #58318
build_gcc_49

00:06:20

passed #58319
build_mingw64_fedora

00:03:27