Add dkh21's key

The following is @dkh21's SSH key:

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCmhkMpmT9IU0hhuEA+/L1ifAL5UMPJspu1xLQUwr89Ezo1M6WTifZ0XgjRrbt7AA61FCCZxzqa2rQsWn25NND/bsXbcmGPJ39r0/sUwLDA1vdbknkjjZoWtb9LTdbkvzQsHWcr9x+Kss4Ds4T+p/UZvbWbTtj8cS50cA796gInPK8INY6F3n9ufD6GCYtzEqvMSdQRgz+D/nluVIy7cvnM1yuh5uEvB9yoclqBOzdJH/aFHCX3L3a1Yy5U5rtTQeHPVrRtY7xHzuuGwY41iQnlVVuM41BuFeZAztvU2PXDJ/sLxka2wOAIGFBc8fL7SQkJStMh8peFOXXwsreMChGp davey3000@UbuntuVBox

Add it to the devops-ssh-users role.

changed milestone to %Sprint 95

added chore good first issue workflowSprint Ready labels

mentioned in commit 9b362f75

assigned to @dkh21

added workflowIn Progress label and removed workflowSprint Ready label

mentioned in merge request !39 (merged)

Note that the implementation in !39 (merged) changes the SSH key comment (from davey3000@UbuntuVBox to dkh21@cam.ac.uk), as the original comment was not useful for identifying the user.

added workflowReview Required label and removed workflowIn Progress label

added 1h of time spent at 2020-05-01

closed via merge request !39 (merged)

mentioned in commit 0a3a71f9