Update go-mysql to v1.16.0

[ericyan]

Description

This PR update go-mysql to v1.16.0: https://github.com/go-mysql-org/go-mysql/blob/master/CHANGELOG.md#tag-v1160-2026-07-13

In case this PR introduced Go code changes:

• contributed code is using same conventions as original code
• script/cibuild returns with no formatting errors, build errors or unit test errors.

[Copilot]

Pull request overview

Updates the vendored go-mysql dependency from v1.15.0 to v1.16.0, incorporating replication and protocol enhancements.

Changes:

• Updates dependency metadata and vendored sources.
• Improves compressed binlog transaction and JSON decoding.
• Adds session tracking, multi-result procedures, and LOCAL INFILE relay support.

Show a summary per file

File	Description
go.mod	Bumps go-mysql to v1.16.0.
go.sum	Updates dependency checksums.
vendor/modules.txt	Records the vendored version.
replication/transaction_payload_event.go	Improves compressed transaction decoding.
replication/row_event.go	Adds JSON rendering state.
replication/parser.go	Propagates parser options and event positions.
replication/json_mysql_text.go	Adds MySQL-style JSON rendering.
replication/json_binary.go	Extends JSONB decoding behavior.
replication/binlogsyncer.go	Updates semi-sync and compressed GTID handling.
packet/conn.go	Fixes compressed-frame reading.
mysql/result.go	Adds session-tracking encoding.
compress/zlib.go	Propagates pooled-reader reset errors.
client/stmt.go	Adds prepared-statement multi-result handling.
client/resp.go	Improves session-tracking parsing.
client/conn.go	Adds LOCAL INFILE relay support.

Review details

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.

• Files reviewed: 1/15 changed files
• Comments generated: 0
• Review effort level: Balanced