AlgoTimeRegister addtime/Init export to python

[mpatrou]

Description of work

AlgoTimeRegister C++ class is exported to python:
addTime() and Instance() functions.

Summary of work

The AlgoTimeRegister is exposed in python, to allow users to measure time in python.

• addTime(): adds a time log
• Instance(): starts the clock
• tests added
• docs added

Further detail of work

for Expose Mantid::Instrumentation::AlgoTimeRegister to python

To test:

• python3 /mantid/Framework/PythonInterface/test/python/mantid/api/AlgoRegisterTest.py AlgoTimeRegisterStartTest
• python3 /mantid/Framework/PythonInterface/test/python/mantid/api/AlgoRegisterTest.py AlgoTimeRegisterAddTimeTest

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This needs to be merged after Enable Profiling on Linux #38164

[github-actions]

👋 Hi, @mpatrou,

Conflicts have been detected against the base branch. Please rebase your branch against the base branch.

[searscr]

Works as expected, documentation explains usage well.

[sf1919]

I've added a milestone. All PRs pointed at main that are not draft need to have a milestone for the audit trail.