feat(cli): node selection for dataform compile

[alandrebraga]

Summary

Adds node selection to dataform compile, mirroring dbt compile --select. compile now accepts the same selection flags as run/build — --actions, --tags, --include-deps, --include-dependents — and filters the printed graph to just the selected action(s):

dataform compile --actions my_model --json
dataform compile --tags daily --include-deps --json

Resolves #2203.

How it works

This is output filtering, not partial compilation. The whole project must
still compile (ref() resolution and the dependency graph require every action
registered), so we compile fully and then prune the result before printing —
reusing the existing prune() that run/build already use, plus the shared
yargs option definitions. No proto changes.

• A clean graph is pruned only when a selector (--actions/--tags) is present.
• On compile errors, the full graph + errors print unchanged (graph-level errors kept as-is).
• A selector matching nothing emits an empty graph and exits 0, matching prune's run-side behavior.
• --include-deps / --include-dependents keep their existing validation (only valid alongside --actions/--tags).

Tests

New compile node selection suite in cli/index_compile_test.ts over an
upstream -> midstream -> downstream project, covering: full graph (no selector),
--actions, --include-deps, --include-dependents, --tags, empty-match
exits 0, and the no-selector validation error. //cli:index_compile_test passes.

Credit

Implementation by @ihistand (Ivan Histand), proposed in SQLAnvil/sqlanvil#27 in
response to this issue. Thank you!

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