Update dependency peewee to v3.15.4

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
peewee	packages	minor	==3.14.4 -> ==3.15.4

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Release Notes

coleifer/peewee

v3.15.4

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• Raise an exception in ReconnectMixin if connection is lost while inside a
  transaction (if the transaction was interrupted presumably some changes were
  lost and explicit intervention is needed).
• Add db.Model property to reduce boilerplate.
• Add support for running prefetch() queries with joins instead of subqueries
  (this helps overcome a MySQL limitation about applying LIMITs to a subquery).
• Add SQL AVG to whitelist to avoid coercing by default.
• Allow arbitrary keywords in metaclass constructor, #​2627
• Add a pyproject.toml to silence warnings from newer pips when wheel
  package is not available.

This release has a small helper for reducing boilerplate in some cases by
exposing a base model class as an attribute of the database instance.

v3.15.3

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• Add scalars() query method (complements scalar()), roughly equivalent to
  writing [t[0] for t in query.tuples()].
• Small doc improvements
• Fix and remove some flaky test assertions with Sqlite INSERT + RETURNING.
• Fix innocuous failing Sqlite test on big-endian machines.

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v3.15.2

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• Fix bug where field-specific conversions were being applied to the pattern
  used for LIKE / ILIKE operations. Refs #​2609
• Fix possible infinite loop when accidentally invoking the __iter__ method
  on certain Column subclasses. Refs #​2606
• Add new helper for specifying which Model a particular selected column-like
  should be bound to, in queries with joins that select from multiple sources.

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v3.15.1

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• Fix issue introduced in Sqlite 3.39.0 regarding the propagation of column
  subtypes in subqueries.
• Fix bug where cockroachdb server version was not set when beginning a
  transaction on an unopened database.

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v3.15.0

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Rollback behavior change in commit ab43376 (GH #​2026). Peewee will no longer
automatically return the cursor rowcount for certain bulk-inserts. This
should only affect users of MySQL and Sqlite who relied on a bulk INSERT
returning the rowcount (as opposed to the cursor's lastrowid). The
rowcount behavior is still available chaining the as_rowcount() method:

v3.14.10

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Previous behavior (peewee 3.12 - 3.14.10):

v3.14.9

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• Allow calling table_exists() with a model-class, refs
• Improve is_connection_usable() method of MySQLDatabase class.
• Better support for VIEWs with playhouse.dataset.DataSet and sqlite-web.
• Support INSERT / ON CONFLICT in playhosue.kv for newer Sqlite.
• Add ArrayField.contained_by() method, a corollary to contains() and
  the contains_any() methods.
• Support cyclical foreign-key relationships in reflection/introspection, and
  also for sqlite-web.
• Add magic methods for FTS5 field to optimize, rebuild and integrity check the
  full-text index.
• Add fallbacks in setup.py in the event distutils is not available.

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v3.14.8

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Back-out all changes to automatically use RETURNING for SqliteExtDatabase,
CSqliteExtDatabase and APSWDatabase. The issue I found is that when a
RETURNING cursor is not fully-consumed, any parent SAVEPOINT (and possibly
transaction) would not be able to be released. Since this is a
backwards-incompatible change, I am going to back it out for now.

Returning clause can still be specified for Sqlite, however it just needs to be
done so manually rather than having it applied automatically.

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v3.14.7

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Fix bug in APSW extension with Sqlite 3.35 and newer, due to handling of last
insert rowid with RETURNING. Refs #​2479.

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v3.14.6

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Fix pesky bug in new last_insert_id() on the SqliteExtDatabase.

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