[FEATURE] Add the public api to context.data_source and context.data_source.get

[billdirks]

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[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 3 lines in your changes missing coverage. Please review.

Project coverage is 79.20%. Comparing base (dae0ecd) to head (51ce4a4).

Files	Patch %	Lines
...data_context/data_context/abstract_data_context.py	75.00%	2 Missing ⚠️
...xpectations/data_context/store/data_asset_store.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #10180      +/-   ##
===========================================
- Coverage    79.22%   79.20%   -0.02%     
===========================================
  Files          456      456              
  Lines        39702    39705       +3     
===========================================
- Hits         31452    31447       -5     
- Misses        8250     8258       +8     

Flag	Coverage Δ
3.10	65.83% <85.71%> (+<0.01%)	⬆️
3.10 athena or clickhouse or openpyxl or pyarrow or project or sqlite or aws_creds	?
3.10 aws_deps	?
3.10 big	?
3.10 databricks	?
3.10 filesystem	?
3.10 mssql	?
3.10 mysql	?
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3.10 snowflake	?
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3.11	65.83% <85.71%> (+<0.01%)	⬆️
3.11 athena or clickhouse or openpyxl or pyarrow or project or sqlite or aws_creds	?
3.11 aws_deps	?
3.11 big	?
3.11 databricks	?
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3.11 mssql	?
3.11 mysql	?
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3.12	64.39% <85.71%> (-0.02%)	⬇️
3.12 aws_deps	45.56% <71.42%> (+<0.01%)	⬆️
3.12 big	54.27% <80.95%> (+<0.01%)	⬆️
3.12 filesystem	60.06% <76.19%> (+<0.01%)	⬆️
3.12 mssql	49.67% <71.42%> (+<0.01%)	⬆️
3.12 mysql	49.73% <71.42%> (+<0.01%)	⬆️
3.12 postgresql	53.88% <71.42%> (+<0.01%)	⬆️
3.12 spark	57.20% <80.95%> (+<0.01%)	⬆️
3.12 trino	51.79% <76.19%> (+<0.01%)	⬆️
3.8	65.87% <85.71%> (+<0.01%)	⬆️
3.8 athena or clickhouse or openpyxl or pyarrow or project or sqlite or aws_creds	54.29% <80.95%> (+<0.01%)	⬆️
3.8 aws_deps	45.59% <71.42%> (+<0.01%)	⬆️
3.8 big	54.29% <80.95%> (+<0.01%)	⬆️
3.8 databricks	46.75% <71.42%> (+<0.01%)	⬆️
3.8 filesystem	60.08% <76.19%> (+<0.01%)	⬆️
3.8 mssql	49.65% <71.42%> (+<0.01%)	⬆️
3.8 mysql	49.72% <71.42%> (+<0.01%)	⬆️
3.8 postgresql	53.86% <71.42%> (+<0.01%)	⬆️
3.8 snowflake	47.66% <71.42%> (+<0.01%)	⬆️
3.8 spark	57.17% <80.95%> (+<0.01%)	⬆️
3.8 trino	51.78% <76.19%> (+<0.01%)	⬆️
3.9	65.85% <85.71%> (+<0.01%)	⬆️
3.9 athena or clickhouse or openpyxl or pyarrow or project or sqlite or aws_creds	?
3.9 aws_deps	?
3.9 big	?
3.9 databricks	?
3.9 filesystem	?
3.9 mssql	?
3.9 mysql	?
3.9 postgresql	?
3.9 snowflake	?
3.9 spark	?
3.9 trino	?
cloud	0.00% <0.00%> (ø)
docs-basic	49.21% <66.66%> (+<0.01%)	⬆️
docs-creds-needed	49.73% <66.66%> (+<0.01%)	⬆️
docs-spark	48.42% <66.66%> (+<0.01%)	⬆️

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[cdkini]

Could we rename this function?

[billdirks]

Done.