Bump sqlalchemy from 2.0.54 to 2.1.0

[dependabot]

Bumps sqlalchemy from 2.0.54 to 2.1.0.

Release notes

Sourced from sqlalchemy's releases.

2.1.0

Released: September 24, 2026

orm

• [orm] [feature] Added _orm.composite.column_template parameter to _orm.composite(). When the composite class is a dataclass, this parameter accepts a string template such as "person_%s", containing exactly one %s placeholder, that's used to generate column names for dataclass fields that don't otherwise have an explicit name, rather than using the bare field name. This removes the need to hand-write a _orm.mapped_column() for each field when the same composite dataclass is mapped multiple times on the same class with different column-name prefixes. Pull request courtesy Leonardo Rosa.

  References: #12575

• [orm] [bug] Fixed issue where pickling an ORM object that had an instance level lazy loader established, such as when the _orm.raiseload() option is used, would emit a spurious warning regarding the loader containing additional criteria, if the object had itself been unpickled from a previous serialization. This would occur for objects that cross more than one serialization boundary, such as when using multiprocessing.

  This change is also backported to: 2.0.53

  References: #13574

• [orm] [bug] Fixed issue where calling _orm.aliased() against an existing _orm.aliased() construct, without passing an explicit selectable, would disregard the selectable of the existing construct and produce an alias of the mapped table instead, if that selectable were anything other than a table or a plain subquery, leading to incorrect results and/or non-working queries.

  This includes _orm.aliased() against a _orm.with_polymorphic() construct, which would previously produce an alias of the base mapped class only, discarding the polymorphic selectable and additional mappers. The new construct now retains these, so that criteria against subclass attributes and the innerjoin and selectable parameters of _orm.with_polymorphic() take effect, and subclass columns are loaded up front. The SQL rendered for these constructs now includes the polymorphic selectable.

  This change is also backported to: 2.0.53

  References: #13583, #13584

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[amrit110]

Automated fix applied and PR merged

The agentic fix loop successfully fixed this PR and merged it.

✓ Successfully fixed unknown failures - Modified 0 files - Executed 368 agent actions - (319 info, 21 tool_call, 8 error, 15 tool_result, 5 reasoning)

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