v1.4.0

@noisersup

Implement $type aggregation operator by @noisersup in #2789
Implement $unset aggregation pipeline stage by @shibasisp in #2676
Implement simple $addFields/$set aggregation pipeline stages by @shibasisp in #2783
Implement createIndexes for unique indexes by @w84thesun in #2814

Make testutil.Logger easier to use by @AlekSi in #2790
Bump deps by @AlekSi in #2798
Refactor SQLite handler by @AlekSi in #2731
Merge test workflows to fix coverage calculation by @AlekSi in #2801
Improve testDistinctCompat by @noisersup in #2782
Use iterator in $sum aggregation accumulator by @chilagrow in #2799
Bump Go to 1.20.5 by @AlekSi in #2810
Fix free monitoring tests for MongoDB 6.0.6 by @jeremyphua in #2784
Bump MongoDB to 6.0.6 by @AlekSi in #2727
Bump MongoDB Go driver by @AlekSi in #2817
Implement envtool tests shard command by @kropidlowsky in #2773
Check error message in non compat integration tests by @chilagrow in #2806
Shard integration tests by @AlekSi in #2820
Describe current test naming conventions in the contributing guidelines by @rumyantseva in #2821
Add tests for find/getMore batchSize by @chilagrow in #2825
Add more test cases for index validation by @rumyantseva in #2752
Fix running single test with task by @w84thesun in #2832
Refactor getWholeParamStrict and GetScaleParam functions by @w84thesun in #2831
Prevent tests deadlock when backend is down by @AlekSi in #2846
Fix unimplemented-non-default tag usages by @w84thesun in #2848
Bump deps by @AlekSi in #2849
Add more tests for $set and $addFields aggregation stages by @chilagrow in #2844
Improve benchmarks by @AlekSi in #2833
Handle $type aggregation operator errors properly by @noisersup in #2829

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