[minor] Fix catalog paths

[Michaelvll]

Tested (run the relevant ones):

• Code formatting: install pre-commit (auto-check on commit) or bash format.sh
• Any manual or new tests for this PR (please specify below)
• All smoke tests: /smoke-test (CI) or pytest tests/test_smoke.py (local)
• Relevant individual tests: /smoke-test -k test_name (CI) or pytest tests/test_smoke.py::test_name (local)
• Backward compatibility: /quicktest-core (CI) or pytest tests/smoke_tests/test_backward_compat.py (local)

[Copilot]

Pull Request Overview

This PR updates file paths and import references to reflect the migration of catalog functionality from sky/clouds/service_catalog to sky/catalog. The changes ensure that packaging configuration and documentation correctly reference the new catalog location.

Key changes:

• Updated MANIFEST.in to exclude analyze.py from the correct catalog location
• Updated FAQ documentation to import CATALOG_SCHEMA_VERSION from the correct module

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
sky/setup_files/MANIFEST.in	Updated exclude path for analyze.py from old service_catalog location to new catalog location
docs/source/reference/faq.rst	Updated import statement to reference CATALOG_SCHEMA_VERSION from sky.skylet.constants instead of sky.clouds.service_catalog

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