Fix test_telemetry.py import error

[ashahba]

Description

This PR fixes issue with importing opea_telemetry within test_telemetry.py

Issues

Currently tip of main fails with this:
https://github.com/opea-project/GenAIComps/actions/runs/12836942696/job/35799616804

==================================== ERRORS ====================================
___________ ERROR collecting tests/cores/telemetry/test_telemetry.py ___________
ImportError while importing test module '/GenAIComps/tests/cores/telemetry/test_telemetry.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.10/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
telemetry/test_telemetry.py:8: in <module>
    from comps import opea_telemetry
E   ImportError: cannot import name 'opea_telemetry' from 'comps' (/usr/local/lib/python3.10/dist-packages/opea_comps-1.1-py3.10.egg/comps/__init__.py)

Type of change

List the type of change like below. Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• [N/A] New feature (non-breaking change which adds new functionality)
• [N/A] Breaking change (fix or feature that would break existing design and interface)
• [N/A] Others (enhancement, documentation, validation, etc.)

Dependencies

None

Tests

This attempts to fix a failing unit test.

[mkbhanda]

LGTM