Update Julius' affiliation in the governance (#1623)
Update Julius' affiliation in the governance (#1623)

I'll edit the service provider info in a later PR after we merge the one
that currently restructures that bit.
Signed-off-by: Julius Volz <d7748b1e6f41fd74500c5ccae0980eab88c2ef61@gmail.com>
prometheus/docs,prometheus/docs,prometheus/docs