Testing: Add missing type annotations to core/scope.py

[erlingstaff]

Part of #7021

[codecov[bot]]

Codecov Report

:x: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 2.07%. Comparing base (e6097bd) to head (7e1c326). :warning: Report is 1070 commits behind head on master.

Files with missing lines	Patch %	Lines
lib/rucio/core/scope.py	0.00%	7 Missing :warning:

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #7093   +/-   ##
======================================
  Coverage    2.07%   2.07%           
======================================
  Files         267     267           
  Lines       42008   42008           
======================================
  Hits          871     871           
  Misses      41137   41137           

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[Geogouz]

Problems to be addressed pending