fix: Move replicate to runtime dependency

[timkpaine]

xref: conda-forge/opentelemetry-instrumentation-replicate-feedstock#20

https://github.com/traceloop/openllmetry/blob/645426360910ce56d00894fc9c7feb47d5230953/packages/opentelemetry-instrumentation-replicate/opentelemetry/instrumentation/replicate/event_emitter.py#L19

import: 'opentelemetry.instrumentation.replicate'
Traceback (most recent call last):
  File "/home/conda/feedstock_root/build_artifacts/opentelemetry-instrumentation-replicate_1752448577076/test_tmp/run_test.py", line 2, in <module>
    import opentelemetry.instrumentation.replicate
  File "/home/conda/feedstock_root/build_artifacts/opentelemetry-instrumentation-replicate_1752448577076/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeh/lib/python3.9/site-packages/opentelemetry/instrumentation/replicate/__init__.py", line 11, in <module>
    from opentelemetry.instrumentation.replicate.event_emitter import (
  File "/home/conda/feedstock_root/build_artifacts/opentelemetry-instrumentation-replicate_1752448577076/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeh/lib/python3.9/site-packages/opentelemetry/instrumentation/replicate/event_emitter.py", line 19, in <module>
    from replicate.prediction import Prediction
ModuleNotFoundError: No module named 'replicate'

• I have added tests that cover my changes.
• If adding a new instrumentation or changing an existing one, I've added screenshots from some observability platform showing the change.
• PR name follows conventional commits format: feat(instrumentation): ... or fix(instrumentation): ....
• (If applicable) I have updated the documentation accordingly.