[ENH] Support queries of session-level phenotypic attributes

[alyssadai]

• Closes update query template to work with new session-level phenotypic data model #249
• Closes Extend default timeout of post_query_to_graph() #251

See also:

• Decide whether "session_type" in API response should be a URI or human-readable #262
• Split subject-level data list in API response into imaging and phenotypic session arrays #263

Changes proposed in this pull request:

• Default timeout for POST request to graph extended
• min_num_sessions query parameter split up for phenotypic and imaging sessions
• New data model created for a specific session result in the API response
  • Includes new key "session_type" to differentiate phenotypic from imaging data
• Removed unnecessary manual ordering of variables returned from graph
• SPARQL query template updated to query for session-level attributes and count matching phenotypic sessions based on session-level filters
• Existing tests updated

Checklist

• PR has an interpretable title with a prefix ([ENH], [FIX], [REF], [TST], [CI], [MNT], [INF], [MODEL], [DOC]) (see https://neurobagel.org/contributing/pull_requests for more info)
• PR has a label for the release changelog or skip-release (to be applied by maintainers only)
• PR links to GitHub issue with mention Closes #XXXX
• Tests pass
• Checks pass

For new features:

• Tests have been added

For bug fixes:

• There is at least one test that would fail under the original bug conditions.

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Totals
Change from base Build 7580111020:	0.008%
Covered Lines:	901
Relevant Lines:	903

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💛 - Coveralls

[surchs]

Thanks @alyssadai, that's a pretty big PR. From reading through it all (most) makes a lot of sense to me and I added questions / suggestions where not. Take a look, but I think this is all good to go 🧑‍🍳

[surchs]

🚀 PR was released in v0.2.0 🚀