Miller 6.12.0: New sparsify verb, wide-table performance improvement, thousands separator for fmtnum function

Features

• New mlr sparsify verb by @johnkerl in #1498
• Support thousands separator in fmtnum by @johnkerl in #1499
• Add descriptions for put and filter verbs by @johnkerl in #1529

Bugfixes

• Miller produces no output on TSV with > 64K characters per line by @johnkerl in #1505
• Enable record-hashing by default by @johnkerl in #1507
• Improved file-not-found handling by @johnkerl in #1508
• Avoid spurious [] on JSON output in some cases by @johnkerl in #1528

Internal

• 6.11.0-dev by @johnkerl in #1484
• Separate out ILineReader abstraction by @johnkerl in #1504

Dependency updates

• Bump actions/upload-artifact from 4.2.0 to 4.3.0 by @dependabot in #1483
• Bump github.com/klauspost/compress from 1.16.7 to 1.17.5 by @dependabot in #1486
• Bump actions/upload-artifact from 4.3.0 to 4.3.1 by @dependabot in #1491
• Bump github.com/klauspost/compress from 1.17.5 to 1.17.6 by @dependabot in #1492
• Bump golang.org/x/term from 0.16.0 to 0.17.0 by @dependabot in #1494
• Bump github.com/klauspost/compress from 1.17.6 to 1.17.7 by @dependabot in #1502
• Bump actions/cache from 4.0.0 to 4.0.1 by @dependabot in #1511
• Bump github.com/stretchr/testify from 1.8.4 to 1.9.0 by @dependabot in #1516
• Bump golang.org/x/sys from 0.17.0 to 0.18.0 by @dependabot in #1521
• Bump golang.org/x/term from 0.17.0 to 0.18.0 by @dependabot in #1522
• Bump actions/checkout from 4.1.1 to 4.1.2 by @dependabot in #1526

Full Changelog: v6.11.0...v6.12.0