chore: update datafusion to 50

[MichaelScofield]

I hereby agree to the terms of the GreptimeDB CLA.

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What's changed and what's your intention?

just trying to keep up with our dependency

PR Checklist

Please convert it to a draft if some of the following conditions are not met.

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.
• This PR requires documentation updates.
• API changes are backward compatible.
• Schema or data changes are backward compatible.

[Copilot]

Pull Request Overview

This PR updates the DataFusion dependency from version 49 to version 50, along with related dependencies like Arrow and SQLParser to keep the codebase in sync with upstream changes.

• Dependency version updates for DataFusion ecosystem (datafusion, arrow, sqlparser)
• API compatibility updates for DataFusion 50's breaking changes
• Test result updates reflecting changes in query output formatting and behavior

Reviewed Changes

Copilot reviewed 62 out of 63 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
Cargo.toml	Updates DataFusion from v49 to v50, Arrow to v56.2, and SQLParser to v0.58.0
tests/cases/standalone/common/*	Test result updates reflecting new DataFusion output formatting
src/sql/src/parser.rs	Updates canonicalize_object_name to return Result type for error handling
src/query/src/part_sort.rs	Adds TopKDynamicFilters parameter to TopK::try_new calls
src/common/function/src/scalars/udf.rs	Implements PartialEq, Eq, and Hash traits for ScalarUdf

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[sunng87]

Perfect! Thank you!