Update sqlx requirement from 0.4.0-beta.1 to 0.5.2

[dependabot-preview]

Updates the requirements on sqlx to permit the latest version.

Changelog

Sourced from sqlx's changelog.

0.5.2 - 2021-04-15

• [#1149] Tweak and optimize Pool internals [[@abonander]]

• [#1132] Remove 'static bound on Connection::transaction [[@argv-minus-one]]

• [#1128] Fix -y flag for sqlx db reset -y [[@qqwa]]

• [#1099] [#1097] Truncate buffer when BufStream is dropped [[@Diggsey]]

#1132: launchbadge/sqlx#1132 #1149: launchbadge/sqlx#1149 #1128: launchbadge/sqlx#1128 #1099: launchbadge/sqlx#1099 #1097: launchbadge/sqlx#1097

PostgreSQL

• [#1170] Remove Self: Type bounds in Encode / Decode implementations for arrays [[@jplatte]]

  Enables working around the lack of support for user-defined array types:

  #[derive(sqlx::Encode)]
  struct Foos<'a>(&'a [Foo]);
  impl sqlx::Type<sqlx::Postgres> for Foos<'_> {
  fn type_info() -> PgTypeInfo {
  PgTypeInfo::with_name("_foo")
  }
  }
  query_as!(
  Whatever,
  "<QUERY with $1 of type foo[]>",
  Foos(&foo_vec) as _,
  )

• [#1141] Use u16::MAX instead of i16::MAX for a check against the largest number of parameters in a query [[@crajcan]]

• [#1112] Add support for DOMAIN types [[@demurgos]]

• [#1100] Explicitly UNLISTEN before returning connections to the pool in PgListener [[@Diggsey]]

#1170: launchbadge/sqlx#1170 #1141: launchbadge/sqlx#1141 #1112: launchbadge/sqlx#1112 #1100: launchbadge/sqlx#1100

... (truncated)

Commits

• f7775f7 release: 0.5.2
• 73d35e7 Remove Self: Type bounds in Encode / Decode implementations
• 81ae756 Fix warnings
• bd06836 test(sqlite): extend it_caches_statements() test
• 9e8e334 chore: add std_rng to rand
• 633a662 chore: update dependencies
• 98cd619 style: rustfmt
• 78656eb fix(sqlite): reset the statement when fetch_many() stream is dropped
• 5cf1af2 fix(sqlite): do not ignore API misuse errors from sqlite3_finalize
• f488f53 fix(sqlite): do not cast pointers to i32
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #8.