Bump log4j-core from 2.17.0 to 2.17.1 in /parent-conf (#254)

Bumps log4j-core from 2.17.0 to 2.17.1.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
...

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Author: dependabot[bot]