NMS-16107: create upgrade task for opennms-datasources.xml changes

[RangerRick]

External References

• Jira (Issue Tracker): https://opennms.atlassian.net/browse/NMS-16107

[CLAassistant]

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1 out of 2 committers have signed the CLA.

:white_check_mark: fooker
:x: Benjamin Reed

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