Bump to 2.8.4 for jazzy release

Signed-off-by: SteveMacenski <stevenmacenski@gmail.com>

bump to 2.9.0 for release to Kilted

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

bump jazzy to 2.8.3 for release

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

bumping to 2.6.10 for release humble

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

bumping jazzy to 2.8.2 for release

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

bumping to 2.6.9 for humble release

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

Temp updates to package.xml for initial Jazzy release (SteveMacenski#712

)

bump to 2.8.0 for jazzy branch

bump to 2.7.4 to compiler issue

Bump to 2.6.8 to fix compiler issue