gh-ost releases

GA release v1.1.9 is a small release with some bug fixes. We are aiming to make smaller releases more regularly.
Thanks to all the contributors!

What's Changed

• Add retry logic for instant DDL on lock wait timeout by @yosefbs in https://github.com/github/gh-ost/pull/1651
• Retry attempt InstantDDL up to --default-retries by @meiji163 in https://github.com/github/gh-ost/pull/1667
  • When --attempt-instant-ddl is enabled, it will retry on lock wait timeout up to --default-retries times. Retries are necessary in high-concurrency environments with metadata lock contention
• Fix handling of warnings on DML batches by @ggilder in https://github.com/github/gh-ost/pull/1643
  • Previously --panic-on-warnings only detected SQL warnings for the last DML in each batch. Now it is guaranteed to detect all warnings.
• Update golangci-lint to v2.11 by @meiji163 in https://github.com/github/gh-ost/pull/1657
  • Error messages have been lower-cased. Please be aware if you are parsing error logs.
• Add GH_OST_INSTANT_DDL for gh-ost-on-success hook by @meiji163 in https://github.com/github/gh-ost/pull/1658
  • GH_OST_INSTANT_DDL environment variable is available on the success hook script to indicate whether InstantDDL succeeded or not.
• Replace usage of Fatale with context cancellation by @ggilder in https://github.com/github/gh-ost/pull/1639
• Improve tests for various error scenarios by @ggilder in https://github.com/github/gh-ost/pull/1642
• Fix rm permission errors in local tests by @grodowski in https://github.com/github/gh-ost/pull/1644
• Fix abort/retry interaction by @ggilder in https://github.com/github/gh-ost/pull/1655
• Fix Warning 1300 for varbinary columns with bytes invalid as utf8mb4 by @ggilder in https://github.com/github/gh-ost/pull/1661
• Prevent race condition on cutover completion by @jakubpliszka in https://github.com/github/gh-ost/pull/1664
• Prevent permanent worker deadlock when cutover times out waiting for binlog sentinel by @VarunChandola in https://github.com/github/gh-ost/pull/1637
• Upgrade to go1.25.9 by @meiji163 in https://github.com/github/gh-ost/pull/1668

New Contributors

• @yosefbs made their first contribution in https://github.com/github/gh-ost/pull/1651
• @jakubpliszka made their first contribution in https://github.com/github/gh-ost/pull/1664
• @VarunChandola made their first contribution in https://github.com/github/gh-ost/pull/1637
• @dnovitski made their first contribution in https://github.com/github/gh-ost/pull/1666

Full Changelog: https://github.com/github/gh-ost/compare/v1.1.8...v1.1.9