[feature](dbt) upgrade dbt-doris adapter to v1.0.0

[catpineapple]

What problem does this PR solve?

Upgrade dbt-doris version to 1.0.0

• Improve connection management: handle unknown database on first connect
• Add cross-database relation support (database mapped to schema)
• Add transaction no-op for Doris (BEGIN/COMMIT not supported in mixed DDL/DML)
• Add data_type_code_to_name mapping for mysql-connector type codes
• Improve view materialization with CREATE OR REPLACE VIEW
• Add table exchange for table materialization re-runs
• Add table/column comment support (persist_docs)
• Add comprehensive test suite: connection, cross-database, incremental, seed, snapshot, table, and view tests
• Remove hardcoded test credentials, use environment variables with safe defaults

Release note

None

Check List (For Author)

• Test

  • Regression test
  • Unit Test
  • Manual test (add detailed scripts or steps below)
  • No need to test or manual test. Explain why:
    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
    • No code files have been changed.
    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[Thearas]

Thank you for your contribution to Apache Doris.
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Please clearly describe your PR:

1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
3. What features were added. Why was this function added?
4. Which code was refactored and why was this part of the code refactored?
5. Which functions were optimized and what is the difference before and after the optimization?

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.

[hello-stephen]

skip buildall

[github-actions]

PR approved by at least one committer and no changes requested.