Fix ElementwiseGreaterThanOrEqual to use >= instead of == (#7475)

Co-authored-by: Сарахан Владислав Сергеевич <[email protected]>

Author: vsarakhan

src/Microsoft.Data.Analysis/Computations/Arithmetic.net8.cs

@@ -510,7 +510,7 @@ protected override void ElementwiseGreaterThanOrEqual(ReadOnlySpan<DateTime> x,
             {
                 for (var i = 0; i < x.Length; i++)
                 {
-                    destination[i] = (x[i] == y);
+                    destination[i] = (x[i] >= y);
                 }
             }