(maint) Update method name using naming convention

We are no longer using snake case for method names, so we need to be
consistent here.  In addition, add a comment to indicate that this
SupportsChocolatey method isn't currently being used anywhere, but it
is there for future proofing of the interaction between Chocolatey and
its consumers.

src/chocolatey/infrastructure.app/registration/ContainerBinding.cs

@@ -205,7 +205,10 @@ private bool ValidateMinimumChocolateyVersion(Type instanceType, NuGetVersion ch
                 return false;
             }
 
-            var methodImpl = instanceType.GetMethod("supports_chocolatey", BindingFlags.Static | BindingFlags.Public);
+            // NOTE: This method, SupportsChocolatey, does not currently exist anywhere in our code bases.
+            // This validation check was put in place for future proofing the interaction between Chocolatey
+            // and its consumers.
+            var methodImpl = instanceType.GetMethod("SupportsChocolatey", BindingFlags.Static | BindingFlags.Public);
 
             if (methodImpl == null)
             {