tools: Bump Debian Standards-Version to 4.5.0
tools: Bump Debian Standards-Version to 4.5.0

No changes necessary, see
https://www.debian.org/doc/debian-policy/upgrading-checklist.html#version-4-5-0

moraleslazaro/cockpit,deryni/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,garrett/cockpit,cockpituous/cockpit,deryni/cockpit,mvollmer/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,garrett/cockpit,martinpitt/cockpit,deryni/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,martinpitt/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,martinpitt/cockpit,cockpituous/cockpit,deryni/cockpit,mvollmer/cockpit,deryni/cockpit,deryni/cockpit,garrett/cockpit,garrett/cockpit,garrett/cockpit,mvollmer/cockpit,cockpit-project/cockpit,martinpitt/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,deryni/cockpit,cockpituous/cockpit