:warning: :construction: Load plugins from python

[erick-xanadu]

Before submitting

Please complete the following checklist when submitting a PR:

• [ ] All new functions and code must be clearly commented and documented.

• [ ] Ensure that code is properly formatted by running make format. The latest version of black and clang-format-14 are used in CI/CD to check formatting.

• [ ] All new features must include a unit test. Integration and frontend tests should be added to frontend/test, Quantum dialect and MLIR tests should be added to mlir/test, and Runtime tests should be added to runtime/tests.

When all the above are checked, delete everything above the dashed line and fill in the pull request template.

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