Bump sqlx from 0.3.5 to 0.4.2

[dependabot[bot]]

Bumps sqlx from 0.3.5 to 0.4.2.

Changelog

Sourced from sqlx's changelog.

0.4.2 - 2020-12-19

• [#908] Fix whoami crash on FreeBSD platform [[@fundon]] [[@AldaronLau]]

• [#895] Decrement pool size when connection is released [[@andrewwhitehead]]

• [#878] Fix conn.transaction wrapper [[@hamza1311]]

  conn.transaction(|transaction: &mut Transaction<Database> | {
      // ...
  });
  

• [#874] Recognize 1 as true for `SQLX_OFFLINE [[@Pleto]]

• [#747] [#867] Replace lru-cache with hashlink [[@chertov]]

• [#860] Add rename_all to FromRow and add camelCase and PascalCase [[@framp]]

• [#839] Add (optional) support for bstr::BStr, bstr::BString, and git2::Oid [[@joshtriplett]]

SQLite

• [#893] Fix memory leak if create_collation fails [[@slumber]]

• [#852] Fix potential 100% CPU usage in fetch_one / fetch_optional [[@markazmierczak]]

• [#850] Add synchronous option to SqliteConnectOptions [[@markazmierczak]]

PostgreSQL

• [#889] Fix decimals (one more time) [[@slumber]]

• [#876] Add support for BYTEA[] to compile-time type-checking [[@augustocdias]]

• [#845] Fix path for &[NaiveTime] in query! macros [[@msrd0]]

MySQL

• [#880] Consider utf8mb4_general_ci as a string [[@mcronce]]

#908: launchbadge/sqlx#908 #895: launchbadge/sqlx#895 #893: launchbadge/sqlx#893 #889: launchbadge/sqlx#889 #880: launchbadge/sqlx#880 #878: launchbadge/sqlx#878 #876: launchbadge/sqlx#876 #874: launchbadge/sqlx#874

... (truncated)

Commits

• 80d02d2 fix: when sqlx-macros enables migrate feature, enable in sqlx-core
• 565d0a9 release: v0.4.2
• 46d30d2 fix: rollback another update for async-rustls
• 2d3b9e4 fix: rollback (another) update to rustls
• 7bbf89c fix: rollback a couple package updates (forgot to check tokio)
• c410f88 chore: update several dependencies
• 4cf1f30 chore: update lockfile
• e9e1dcf style: rustfmt
• 0c08527 Update CHANGELOG
• 00d3211 add runtime-async-std-native-tls to docs.rs feature in sqlx-core
• Additional commits viewable in compare view

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Superseded by #88.