SAXParseException when starting blueprint: cvc-complex-type.3.2.2: Attribute 'update-strategy' is not allowed to appear in element 'cm:property-placeholder'.

Issue

When starting a blueprint that uses properties

<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.0.0"
   xsi:schemaLocation="
      http://www.osgi.org/xmlns/blueprint/v1.0.0 http://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd">

<cm:property-placeholder id="props" persistent-id="test" update-strategy="reload" />
...

The following exception appears when starting the blueprint

Caused by: org.xml.sax.SAXParseException: cvc-complex-type.3.2.2: Attribute 'update-strategy' is not allowed to appear in element 'cm:property-placeholder'.
    at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source) ~[?:?]
    at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source) ~[?:?]
    at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) ~[?:?]
    at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source) ~[?:?]