update restic/rclone and add locks to prevent parallel execution

Update changelog for v1.7.2

Add changelog for 1.7.1

Update changelog for v1.7.0

Merge pull request djmaze#131 from djmaze/run_tests_in_drone

Run tests in drone (dind)

Merge pull request djmaze#102 from djmaze/skip-repository-check-when-…

…unlocking

Skip repository check when unlock command is given

Merge pull request djmaze#73 from jlelse/master

Update rclone and restic

Merge branch 'LucaTNT-version-bump-20201116' into master

Fix manifest template since they changed the trimPrefix syntax

-_-

Update restic to 0.9.6

closes djmaze#17