Fix CA2262 example (#42818)

Author: MihaZupan

docs/fundamentals/code-analysis/quality-rules/ca2262.md

@@ -40,8 +40,8 @@ HttpClientHandler handler = new()
     // Violation
     MaxResponseHeadersLength = 512
 
-    // Fix
-    MaxResponseHeadersLength = 0.512
+    // Fix (it is not possible to specify a limit lower than 1 KB)
+    MaxResponseHeadersLength = 1
 };
 ```
 
@@ -51,8 +51,8 @@ Dim handler As New HttpClientHandler With {
     ' Violation
     .MaxResponseHeadersLength = 512
 
-    ' Fix
-    .MaxResponseHeadersLength = 0.512
+    ' Fix (it is not possible to specify a limit lower than 1 KB)
+    .MaxResponseHeadersLength = 1
 }
 ```