Bump org.apache.logging.log4j:log4j-core from 2.20.0 to 2.21.1 (#418)

Bumps org.apache.logging.log4j:log4j-core from 2.20.0 to 2.21.1.

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ otelBom="1.31.0"
 logback = "1.4.11"
 wavefrontSdk="3.4.2"
 otelBomAlpha="1.31.0-alpha"
-log4j = "2.20.0"
+log4j = "2.21.1"
 wavefrontReporter="1.7.16"
 slf4j = "1.7.36"
 assertj = "3.24.2"