fix(security): Resolve SonarQube security hotspots

Introduce a default regex match timeout across the library to prevent potential ReDoS attacks (SonarQube rule S6444).
Implement `[OnDeserialized]` methods to re-establish object invariants and validate state after deserialization, addressing SonarQube rule S5766.

src/Strata.SqlTools.SqlBreakdown/Extensions/StringExtensions.cs

@@ -1,4 +1,5 @@
 using System.Text.RegularExpressions;
+using Strata.SqlTools.SqlBreakdown.Utilities;
 
 namespace Strata.SqlTools.SqlBreakdown.Extensions;
 
@@ -119,7 +120,7 @@ public static class StringExtensions
     public static bool IsGUID(this string aString)
     {
         const string pattern = "^[0-9a-zA-Z]{8}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{12}$";
-        var match = Regex.Match(aString, pattern);
+        var match = Regex.Match(aString, pattern, RegexOptions.None, RegexDefaults.MatchTimeout);
         return match.Success;
     }