bump library soname

May be an upstream snafu, may want to double-check, it's uncommon
for a shared library soname change in a minor point release

kaccounts-integration.spec

@@ -93,7 +93,7 @@ make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
 %{_kf5_datadir}/kpackage/kcms/kcm_kaccounts/
 %{_kf5_datadir}/kservices5/kcm_kaccounts.desktop
 %{_kf5_plugindir}/kded/kded_accounts.so
-%{_kf5_libdir}/libkaccounts.so.1
+%{_kf5_libdir}/libkaccounts.so.2
 %{_kf5_libdir}/libkaccounts.so.%{version}
 %{_kf5_qmldir}/org/kde/kaccounts/