RFR: 8275082: Update XML Security for Java to 2.3.0 [v2]

[Sean Mullan]

On Fri, 3 Dec 2021 15:24:54 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Import Apache Santuario 2.3.0 without the secure validation changes since in OpenJDK we are using the `jdk.xml.dsig.secureValidationPolicy` security property for XML Signature secure validation protection.
>> 
>> Two commits are pushed:
>> 
>> - 2.3.0: Import 2.3.0 code changes
>> - revert: revert the Santuario secure validation changes
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update comment

Marked as reviewed by mullan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6644