feature: SDK Cost Tracker

[shpface]

Issue #, if available:

Description of changes:

Testing done:

Merge Checklist

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General

• I have read the CONTRIBUTING doc
• I used the commit message format described in CONTRIBUTING
• I have updated any necessary documentation, including READMEs and API docs (if appropriate)

Tests

• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have checked that my tests are not configured for a specific region or account (if appropriate)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #404 (db675be) into main (abd9ea1) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              main      #404    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           78        83     +5     
  Lines         5242      5448   +206     
  Branches       732       762    +30     
==========================================
+ Hits          5242      5448   +206     

Impacted Files	Coverage Δ
src/braket/aws/aws_quantum_task.py	100.00% <100.00%> (ø)
src/braket/aws/aws_session.py	100.00% <100.00%> (ø)
src/braket/tracking/__init__.py	100.00% <100.00%> (ø)
src/braket/tracking/pricing.py	100.00% <100.00%> (ø)
src/braket/tracking/tracker.py	100.00% <100.00%> (ø)
src/braket/tracking/tracking_context.py	100.00% <100.00%> (ø)
src/braket/tracking/tracking_events.py	100.00% <100.00%> (ø)

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