Define and use TCX5 waiver for AsciiDoc

cr: https://code.amazon.com/reviews/CR-224676650

Author: stephswo

v2/guide/bootstrapping-env.adoc

@@ -5,6 +5,7 @@ include::attributes.txt[]
 [#bootstrapping-env]
 = Bootstrap your environment for use with the {aws} CDK
 :info_titleabbrev: Bootstrap your environment
+:tcx5-2025-waiver: 		 	 	 
 :keywords: {aws} CDK, {aws} Cloud Development Kit ({aws} CDK), {aws} account, {aws} Region, Bootstrapping, Bootstrap, Environment
 
 [abstract]
@@ -257,7 +258,7 @@ When bootstrapping an {aws} environment, the IAM identity performing the bootstr
 [source,json,subs="verbatim,attributes"]
 ----
 {
- "Version": "2012-10-17",&TCX5-2025-waiver;
+ "Version": "2012-10-17",{tcx5-2025-waiver}
  "Statement": [
  {
  "Effect": "Allow",