chore(main): release 3.0.0

[DeRuina]

🤖 I have created a release beep boop

3.0.0 (2026-05-06)

⚠ BREAKING CHANGES

• BackupTimeFormat field is now required for Logger instance to work. Returns error if invalid value is passed.

Features

• add Sync() method satisfying zapcore.WriteSyncer (#100) (0e0e326)
• Append the backupTimeFormat to the end of file name (#40) (15c6d81)
• make FileMode for newly created files configurable (#59) (82320e6)
• read group permission on newly created files (#30) (ee44715)
• release please script (42d3575)
• release please script (7514015)
• Rotation Suffix Time Format (e2c2211)
• rotation: add RotateAtMinutes support (e4c22b6)
• rotation: add RotateAtMinutes support (2e93add)
• rotation: config option for daily rotation (#33) (16955b7)
• use log file creation time in rotated filenames (3d87292)
• use log file creation time in rotated filenames (fa3bfd0)
• zstd compression, RotateWithReason("") support, (#43) (20b71dd)

Bug Fixes

• atomic compress write and content-based backup assertions to eliminate race failures (#97) (0d444ed)
• bump go version to 1.21 (9bdd903)
• data races (4c2c743)
• Fix formatting of log configuration options in README (d46cd01)
• millRun goroutine leak fix (28bf784)
• preserve configured FileMode after rotation (umask bypass) (#91) (b9823ec)
• Prevent panic on write after close and improve shutdown robustness (#25) (332b9c2)
• test release flow from v1.3.1 (bef4fe1)
• truncateFractional bug fix (9a6f908)

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