feat: exit spans across all module instrumentations

[astorm]

Implements: #2601

Marks database/datastore style spans and outgoing service request spans as exit spans, adjusts SQS tests to reflect that lack of an HTTP span.

Checklist

• Implement code
• Add tests
• Add CHANGELOG.asciidoc entry

[apmmachine]

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• Start Time: 2022-04-15T16:24:12.828+0000

• Duration: 21 min 40 sec

Test stats 🧪

Test	Results
Failed	0
Passed	244597
Skipped	0
Total	244597

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