doxygen: Create svg graphs with zoom and pan support

For large diagrams this allows better navigation.
11 jobs for doxygen-update in 9 minutes and 24 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
passed #3058119
build:cmake

00:03:54

passed #3058116
build:debug

00:09:23

manual #3058121
allowed to fail manual
build:i686-w64-mingw32-cmake
passed #3058120
build:i686-w64-mingw32-debug

00:04:45

manual #3058118
allowed to fail manual
build:legacy
passed #3058115
build:production

00:05:42

manual #3058117
allowed to fail manual
build:reduced
manual #3058124
allowed to fail manual
build:stretch
passed #3058122
build:x86_64-w64-mingw32

00:03:48

passed #3058123
build:x86_64-w64-mingw32-cmake-debug

00:06:57

manual #3058125
allowed to fail manual
build:xenial