fix: serialization errors in lambda_proxy template with single quotes

Author: Or Zarchi

lib/deploy/events/apiGateway/methods.js

@@ -69,12 +69,12 @@ const LAMBDA_PROXY_REQUEST_TEMPLATE = `
       #set( $map = $context.authorizer )
       "authorizer": $loop,
     },
-    "body": "$util.escapeJavaScript("$body")",
+    "body": "$util.escapeJavaScript("$body").replaceAll("\\\\'", "'")",
     "isBase64Encoded": false
   }
   #end
   {
-    "input": "$util.escapeJavaScript("$smInput")",
+    "input": "$util.escapeJavaScript("$smInput").replaceAll("\\\\'", "'")",
     "name":"$context.requestId",
     "stateMachineArn":"\${StateMachineArn}"
   }`;