docs(bedrock): fix BedrockServiceRole in template.yaml (#6436)

Fix BedrockServiceRole in template.yaml

Fixing indentation of AssumeRolePolicyDocument content in BedrockServiceRole that prevent the template to be deployed correctly.

Signed-off-by: Guido Nebiolo <[email protected]>
Co-authored-by: Leandro Damascena <[email protected]>

Author: GuidoNebiolo

examples/event_handler_bedrock_agents/sam/template.yaml

@@ -38,10 +38,10 @@ Resources:
         Statement:
           - Effect: Allow
             Principal:
-              Action:
-                - sts:assumeRole
               Service:
                 - bedrock.amazonaws.com
+            Action:
+              - sts:AssumeRole
       Policies:
         - PolicyName: bedrock
           PolicyDocument: