fix: Replace pkg_resources with importlib.metadata

[tachikoma-li]

Description of changes:

pkg_resources is deprecated since setuptools > 67.5. Import in src/braket/devices/local_simulator.py would cause the following warning

DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html

It might be good to replace pkg_resources with other Python built-in modules, like importlib.metadata.

Testing done:

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (5b21c12) to head (cb4b0e4).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #935 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 133 133 Lines 8906 8909 +3 Branches 2007 2008 +1 ========================================= + Hits 8906 8909 +3 ```

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[tachikoma-li]

Hi @math411, thanks for the review! I don't have the write permission to the repo. Feel free to merge when you see fit.