Updated issue template with sensitive information warning (#13399)

Author: dcaro

.github/ISSUE_TEMPLATE/az-module-bug-report.md

@@ -46,15 +46,17 @@ assignees: ''
 
 ## Debug output
 
-<!-- Set $DebugPreference='Continue' before running the repro and paste the resulting debug stream in the below code block -->
+<!-- Set $DebugPreference='Continue' before running the repro and paste the resulting debug stream in the below code block
+     ATTENTION: Be sure to remove any sensitive information that may be in the logs -->
 
 ```
 
 ```
 
 ## Error output
 
-<!-- Please run Resolve-AzError and paste the output in the below code block -->
+<!-- Please run Resolve-AzError and paste the output in the below code block
+     ATTENTION: Be sure to remove any sensitive information that may be in the logs -->
 
 ```
 

.github/ISSUE_TEMPLATE/azurerm-module-bug-report.md

@@ -37,15 +37,17 @@ assignees: ''
 
 ## Debug output
 
-<!-- Set $DebugPreference='Continue' before running the repro and paste the resulting debug stream in the below code block -->
+<!-- Set $DebugPreference='Continue' before running the repro and paste the resulting debug stream in the below code block
+     ATTENTION: Be sure to remove any sensitive information that may be in the logs -->
 
 ```
 
 ```
 
 ## Error output
 
-<!-- Please run Resolve-AzureRmError and paste the output in the below code block -->
+<!-- Please run Resolve-AzureRmError and paste the output in the below code block
+     ATTENTION: Be sure to remove any sensitive information that may be in the logs -->
 
 ```