V9.21.0

What's Changed

• Migrate all test projects to xUnit v3 by @jeremydmiller in #393
• Fix Oracle EF Core mapping test and run the Oracle suite in CI (#394) by @jeremydmiller in #395
• AdvisoryLock: never strand a handle acquired after DisposeAsync drained (#396) by @jeremydmiller in #397
• TableColumn.MatchesForDelta must compare through the virtual Equals (#399) by @jeremydmiller in #400
• fix(postgresql): seed Npgsql's global type mapper before the test suite runs (weasel#398) by @jeremydmiller in #402
• fix(postgresql): stop declaring IPNetwork on both the cidr and inet mappings (weasel#405) by @jeremydmiller in #408
• fix(postgresql): type a DateTime parameter from its Kind, not its CLR type (weasel#403) by @jeremydmiller in #409
• test(postgresql): move DatabaseWithTablesTests off the shared public schema (weasel#407) by @jeremydmiller in #410
• fix(core): let an untyped parameter defer to the driver instead of throwing (weasel#404) by @jeremydmiller in #411
• fix(postgresql): make the Npgsql type-mapping registry safe for concurrent registration (weasel#406) by @jeremydmiller in #412
• ManagedRangePartitions for PostgreSQL: rolling time-window partitions (weasel#401) by @jeremydmiller in #413
• ManagedRangePartitions for SQL Server: rolling time-window partitions (weasel#401) by @jeremydmiller in #414

Full Changelog: V9.20.0...V9.21.0