CI: add a scan-build run to the CI #1206

Job	Run time
scan-build	49s
valgrind	49s
build-and-dist (gcc)	1m 2s
build-and-dist (gcc, -Db_sanitize=address,undefined -Db_lundef=false)	43s
build-and-dist (clang)	1m 0s
build-and-dist (clang, -Db_sanitize=address,undefined -Db_lundef=false)	49s
duplicate-devices	36s
build-from-tarball	41s
clean-svg-check	38s
etcdir (sudo mv /usr/share/libwacom/wacom-intuos*.tablet /etc/libwacom)	34s
etcdir (sudo mv /usr/share/libwacom/*.tablet /etc/libwacom)	33s
etcdir (sudo mv /usr/share/libwacom/*.stylus /etc/libwacom)	32s
etcdir (sudo mv /usr/share/libwacom/*.tablet $HOME/.config/libwacom)	22s
etcdir (sudo mv /usr/share/libwacom/*.stylus $HOME/.config/libwacom)	23s
etcdir (sudo mv /usr/share/libwacom/wacom-*.tablet $HOME/.config/libwacom && sudo mv /usr/share/l...	21s
etcdir (sudo csplit data/wacom.stylus '/^\[0x822\]/' && sudo mv xx00 /etc/libwacom/first.stylus &...	36s
	10m 28s

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