perf: Optimize Query cache lookup and add CountEntities method - #313

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v3, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Consider using the constraint model, Assert.That(actual, Is.EqualTo(expected)), instead of the classic model, Assert.AreEqual(expected, actual) (https://github.com/nunit/nunit.analyzers/tree/master/documentation/NUnit2005.md)

Consider using the constraint model, Assert.That(actual, Is.EqualTo(expected)), instead of the classic model, Assert.AreEqual(expected, actual) (https://github.com/nunit/nunit.analyzers/tree/master/documentation/NUnit2005.md)

Consider using the constraint model, Assert.That(actual, Is.EqualTo(expected)), instead of the classic model, Assert.AreEqual(expected, actual) (https://github.com/nunit/nunit.analyzers/tree/master/documentation/NUnit2005.md)

Consider using the constraint model, Assert.That(actual, Is.EqualTo(expected)), instead of the classic model, Assert.AreEqual(expected, actual) (https://github.com/nunit/nunit.analyzers/tree/master/documentation/NUnit2005.md)

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Unboxing a possibly null value.

Unboxing a possibly null value.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.

Possible null reference assignment.