WIP feat: lock devices during a scan

[d-perl]

Add a lock manager to the scan server to manages sharing of devices

Initial implementation only blocks while waiting for locks but lock manager has the required functionality to check and raise instead

[codecov]

Codecov Report

❌ Patch coverage is 52.32558% with 41 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
bec_server/bec_server/scan_server/scan_worker.py	31.42%	20 Missing and 4 partials ⚠️
...ec_server/bec_server/scan_server/device_locking.py	63.15%	11 Missing and 3 partials ⚠️
bec_server/bec_server/scan_server/scans.py	72.72%	3 Missing ⚠️

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