* Override dh_auto_test to avoid compiling in indep builds.
* Refresh nonlinux_utime.diff.
* Update symbols files from buildds’ logs.
* Bump required qttools-dev-tools version to 5.11.1-6, where a bug in
qdoc was fixed (closes: #908328).
* Bump Standards-Version to 4.2.1, no changes needed.
* Temporarily use TLS1_2_VERSION instead of TLS_MAX_VERSION, to make
Qt Network work with OpenSSL 1.1.0 in testing (closes: #907774).