New upstream version 7.6.0

AUTHORS.rst

AUTHORS.rst.in

NEWS.rst

build-aux/syntax-check.mk

ci/cirrus/freebsd-12.vars

ci/cirrus/freebsd-13.vars

ci/cirrus/freebsd-current.vars

ci/cirrus/macos-11.vars

docs/formatdomain.rst

docs/formatdomaincaps.html.in

docs/kbase/index.rst

docs/kbase/meson.build

docs/kbase/qemu-core-dump.rst

docs/kbase/s390_protected_virt.rst

docs/manpages/virsh.rst

docs/page.xsl

docs/schemas/capability.rng

docs/schemas/cputypes.rng

docs/schemas/domaincaps.rng

docs/schemas/domaincommon.rng