chore(deps): bump diesel from 2.3.9 to 2.3.12

[dependabot]

Bumps diesel from 2.3.9 to 2.3.12.

Changelog

Sourced from diesel's changelog.

[2.3.12] 2026-08-07

• Fixed FromSql/ToSql for chrono::NaiveTime on MySQL dropping the fractional-seconds component of TIME values, so a TIME(N) column now round-trips its microseconds like DATETIME / TIMESTAMP already did.
• Extended libsqlite3-sys support to include 0.38

[2.3.11] 2026-07-10

• Fixed several potential panics in PostgreSQL (de)serialization code
• Fixed using .load() batch inserts and returning clauses on the SQLite backend
• Harden usage of SqliteConnection::deserialize_read_only_database()

[2.3.10] 2026-06-05

• Fixed a wrong value of a internal MYSQL flag
• Fixed several possible panics in the PostgreSQL deserialization code for malformed packages in the
• Fixed an issue that caused unexpected results while calling custom aggregated SQL functions twice in the SQLite backend
• Fixed a potential use after free bug in the SQLite backend while deserializing a database from a byte buffer
• Fixed potential invalid schema generation if column or table names "inject" rust code
• Fixed potential SQL injections during schema introspection via diesel print-schema
• Fixed a regression that resulted in rejecting valid combinations of ORDER BY and GROUP BY clauses

Commits

• 9311439 Use a released diesel_async version for benches on this branch
• 66dafb5 Merge pull request #5137 from LucaCappelletti94/fix-example-test-binary-names
• e763090 Merge pull request #5133 from LucaCappelletti94/fix-ambiguous-intosql-glob-im...
• 7f235a5 Prepare a 2.3.12 release + update cargo dist
• d213a32 Merge pull request #5126 from weiznich/libsqlite3_sys_0.38
• 5514b0c Merge pull request #5118 from LucaCappelletti94/fix/mysql-time-subsecond-prec...
• 07a80d4 Fix cargo deny
• 4b9f30f Merge pull request #5103 from weiznich/prepare_2.3.11
• 47fae1b Bump to rust 1.97
• 5856e37 Prepare a 2.3.11 release
• Additional commits viewable in compare view

Note
Automatic rebases have been disabled on this pull request as it has been open for over 30 days.