feat: Partial implementation of 'include' instruction

[ilandikov]

Done by pairing with @claremacrae

Types of changes

Changes visible to users:

• New feature (prefix: feat - non-breaking change which adds functionality)
  • Issue/discussion:
    • Global macro definitions for task block statements #2443
    • Support centrally defined filter subsets that can be referenced from task blocks #2267
• Documentation (prefix: docs - improvements to any documentation content for users)

Internal changes:

• Tests (prefix: test - additions and improvements to unit tests and the smoke tests)

Description

Motivation and Context

• Global macro definitions for task block statements #2443
• Support centrally defined filter subsets that can be referenced from task blocks #2267

How has this been tested?

• unit tests
• exploratory tests (TODO

Checklist

• My code follows the code style of this project and passes yarn run lint.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• My change has adequate Unit Test coverage.

Terms

• My contribution follows this project's contributing guide
• I agree to follow this project's Code of Conduct

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[claremacrae]

Note to self: the docs need more work... we only wrote an initial line or two.