Updated bellsoft action to set purl to NIK version

[pivotal-david-osullivan]

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[dmikusa]

It needs both versions for the CPE. Is this change going to handle that, or is it just going to shift things so that the Java version is not updated when a version bump happens?

cpes = ["cpe:2.3:a:oracle:graalvm:21.3.0:*:*:*:community:*:*:*", "cpe:2.3:a:oracle:jdk:11.0.14:*:*:*:*:*:*:*"]

https://github.com/paketo-buildpacks/bellsoft-liberica/blob/main/buildpack.toml#L186