fix: raise QueryDefinitionError for related-model filters in update() and delete()

[moneebullah25]

Fixes #1817

Summary

QuerySet.update() and QuerySet.delete() build a statement against the model's own table only. When the queryset was filtered or excluded by a related model's field (for example filter(category__name="x")), the join was silently dropped, so the statement either ignored the condition or failed with an invalid SQL statement.

These methods now raise QueryDefinitionError naming the offending filter, via a small private helper. Filters on the model's own fields are unaffected.

Changes

• ormar/queryset/queryset.py: guard in update() and delete().
• tests/test_queries/test_queryset_level_methods.py: tests for filter and exclude on related fields in both methods.
• docs/releases.md: release note under Fixes.

Checks run

• ruff format --check and ruff check (ruff 0.16.10, matching the Makefile and poetry.lock) on the changed files: pass
• mypy ormar tests/test_queries/test_queryset_level_methods.py --ignore-missing-imports: 4 errors, all pre-existing in untouched ormar/relations/*, none in changed files
• pytest tests/test_queries/test_queryset_level_methods.py: 18 passed
• Tests added for the new behaviour
• Release note added
• Full test suite across all database backends not run locally (only the touched test module, on SQLite)

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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[codspeed]

Merging this PR will degrade performance by 25.75%

ℹ️ 123 benchmarks have no flame graph

The flamegraph could not be generated because we failed to resolve the symbols in the profiling trace. This happens when we fail to harvest information about language frames.

• test_creating_models_individually[10]
• test_saving_wide_models_individually[20]
• test_saving_models_individually[10]
• test_get_column_name_from_alias_book[10000]
• test_get_column_name_from_alias_book[1000]
• test_get_column_name_from_alias[10000]
• test_get_column_name_from_alias[1000]
• test_get_one_wide_model[500]
• test_first[250]
• test_translate_columns_to_aliases[1000]
• …and 113 more

❌ 2 (👁 2) regressed benchmarks
✅ 121 untouched benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
👁 ℹ️	test_creating_models_individually[10]	58.1 ms	79.1 ms	-26.65%
👁 ℹ️	test_saving_wide_models_individually[20]	155.6 ms	207 ms	-24.83%

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_{Comparing moneebullah25:fix/update-delete-related-filter-1817 (89a2e76) with master (58f8494)}