[JENKINS-68860] hpi:run does not add Add-Opens directives for Java 17

[basil]

Some of the most disgusting code in this repository (copied from Spotless), but I cannot think of a better way to do this.

Testing done

Ran mvn hpi:run in text-finder before and after this PR with Java 17 and a Pipeline job that ran a shell step. Before this PR, got Java module errors; after this PR it worked.

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