Bump log4j.version from 2.17.2 to 2.18.0

Bumps `log4j.version` from 2.17.2 to 2.18.0.

Updates `log4j-api` from 2.17.2 to 2.18.0

Updates `log4j-core` from 2.17.2 to 2.18.0

Updates `log4j-jcl` from 2.17.2 to 2.18.0

Updates `log4j-jul` from 2.17.2 to 2.18.0

Updates `log4j-slf4j-impl` from 2.17.2 to 2.18.0

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-jcl
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-jul
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j-impl
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

exist-parent/pom.xml

@@ -113,7 +113,7 @@
         <jaxb.api.version>3.0.1</jaxb.api.version>
         <jaxb.impl.version>3.0.2</jaxb.impl.version>
         <jetty.version>9.4.48.v20220622</jetty.version>
-        <log4j.version>2.17.2</log4j.version>
+        <log4j.version>2.18.0</log4j.version>
         <lucene.version>4.10.4</lucene.version>
         <milton.version>1.8.1.3</milton.version>
         <saxon.version>9.9.1-8</saxon.version>