GH-5214 LMDB supports linux ppc

[hmottestad]

GH-5214 lmdb supports linux ppc, updated to latest version and also some cleanup in the bom pom

GitHub issue resolved: #5214

Briefly describe the changes proposed in this PR:

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• my pull request is self-contained
• I've added tests for the changes I made
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[hmottestad]

So seems the ppc binaries aren't available on our version of the dependencies, so we need to upgrade, but clearly defined is blocking that at the moment.