Bump resolver.version from 1.9.18 to 1.9.20 (#362)

Bumps `resolver.version` from 1.9.18 to 1.9.20.

Updates `org.apache.maven.resolver:maven-resolver-api` from 1.9.18 to 1.9.20
- [Release notes](https://github.com/apache/maven-resolver/releases)
- [Commits](apache/maven-resolver@maven-resolver-1.9.18...maven-resolver-1.9.20)

Updates `org.apache.maven.resolver:maven-resolver-util` from 1.9.18 to 1.9.20
- [Release notes](https://github.com/apache/maven-resolver/releases)
- [Commits](apache/maven-resolver@maven-resolver-1.9.18...maven-resolver-1.9.20)

---
updated-dependencies:
- dependency-name: org.apache.maven.resolver:maven-resolver-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven.resolver:maven-resolver-util
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -109,7 +109,7 @@ under the License.
     <guice.version>6.0.0</guice.version>
     <lucene.version>9.10.0</lucene.version>
     <maven.version>3.9.6</maven.version>
-    <resolver.version>1.9.18</resolver.version>
+    <resolver.version>1.9.20</resolver.version>
     <archetype.version>3.2.1</archetype.version>
     <surefire.version>3.2.1</surefire.version>
     <slf4j.version>2.0.9</slf4j.version>