Add runfiles library to release archive

Copybara Import from https://github.com/bazelbuild/rules_java/pull/242

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Add runfiles library to release archive (#242)

Closes #242
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COPYBARA_INTEGRATE_REVIEW=https://github.com/bazelbuild/rules_java/pull/242 from fmeum:fix-runfiles dcc8004733fe5a6257f5ef2fdec5b04cdb62564a
PiperOrigin-RevId: 698035007
Change-Id: I069b7f289a40550ac1c8024d013863e3d384d5a6
8 files changed