Add -is & -isnot to type comparison operators (#4891)

* Add `-is` & `-isnot` to type comparison operators

* add other version updates

* remove v7 update (will be in another PR)

* remove unplanned change

Author: KirkMunro

reference/3.0/Microsoft.PowerShell.Core/About/about_Operators.md

@@ -52,6 +52,9 @@ expressions, and (`-like`, `-notlike`) use wildcards `*`.
 Containment comparison operators determine whether a test value appears in a
 reference set (`-in`, `-notin`, `-contains`, `-notcontains`).
 
+Type comparison operators (`-is`, `-isnot`) determine whether an object is
+of a given type.
+
 Bitwise comparison operators (`-bAND`, `-bOR`, `-bXOR`, `-bNOT`) manipulate
 the bit patterns in values.
 

reference/4.0/Microsoft.PowerShell.Core/About/about_Operators.md

@@ -52,6 +52,9 @@ expressions, and (`-like`, `-notlike`) use wildcards `*`.
 Containment comparison operators determine whether a test value appears in a
 reference set (`-in`, `-notin`, `-contains`, `-notcontains`).
 
+Type comparison operators (`-is`, `-isnot`) determine whether an object is
+of a given type.
+
 Bitwise comparison operators (`-bAND`, `-bOR`, `-bXOR`, `-bNOT`) manipulate
 the bit patterns in values.
 

reference/5.0/Microsoft.PowerShell.Core/About/about_Operators.md

@@ -52,6 +52,9 @@ expressions, and (`-like`, `-notlike`) use wildcards `*`.
 Containment comparison operators determine whether a test value appears in a
 reference set (`-in`, `-notin`, `-contains`, `-notcontains`).
 
+Type comparison operators (`-is`, `-isnot`) determine whether an object is
+of a given type.
+
 Bitwise comparison operators (`-bAND`, `-bOR`, `-bXOR`, `-bNOT`) manipulate
 the bit patterns in values.
 

reference/5.1/Microsoft.PowerShell.Core/About/about_Operators.md

@@ -52,6 +52,9 @@ expressions, and (`-like`, `-notlike`) use wildcards `*`.
 Containment comparison operators determine whether a test value appears in a
 reference set (`-in`, `-notin`, `-contains`, `-notcontains`).
 
+Type comparison operators (`-is`, `-isnot`) determine whether an object is
+of a given type.
+
 Bitwise comparison operators (`-bAND`, `-bOR`, `-bXOR`, `-bNOT`) manipulate
 the bit patterns in values.
 

reference/6/Microsoft.PowerShell.Core/About/about_Operators.md

@@ -51,6 +51,9 @@ expressions, and (`-like`, `-notlike`) use wildcards `*`.
 Containment comparison operators determine whether a test value appears in a
 reference set (`-in`, `-notin`, `-contains`, `-notcontains`).
 
+Type comparison operators (`-is`, `-isnot`) determine whether an object is
+of a given type.
+
 Bitwise comparison operators (`-bAND`, `-bOR`, `-bXOR`, `-bNOT`) manipulate
 the bit patterns in values.