Add AWS entity agent attributes to DynamoDB spans

[hmstepanek]

Overview

Add AWS entity agent attributes to DynamoDB spans. See implementation_guides/aws-sdk.md in agent specs for details.
Note this is dependent on #1249.

[github-actions]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	bandit	4		0	6.5s
✅ PYTHON	black	6	1	0	2.5s
❌ PYTHON	flake8	6		1	1.55s
✅ PYTHON	isort	6	1	0	0.39s
✅ PYTHON	pylint	6		0	10.55s

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 54.65116% with 39 lines in your changes missing coverage. Please review.

Project coverage is 81.15%. Comparing base (6b8fb08) to head (ada6b0f).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
newrelic/hooks/external_botocore.py	44.11%	24 Missing and 14 partials ⚠️
newrelic/config.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1252      +/-   ##
==========================================
- Coverage   81.27%   81.15%   -0.12%     
==========================================
  Files         200      200              
  Lines       21953    22038      +85     
  Branches     3479     3502      +23     
==========================================
+ Hits        17842    17885      +43     
- Misses       2965     2989      +24     
- Partials     1146     1164      +18     

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