Bump armeria-bom from 1.19.0 to 1.20.1 (#238)

Bumps [armeria-bom](https://github.com/line/armeria) from 1.19.0 to 1.20.1.
- [Release notes](https://github.com/line/armeria/releases)
- [Changelog](https://github.com/line/armeria/blob/master/.post-release-msg)
- [Commits](line/armeria@armeria-1.19.0...armeria-1.20.1)

---
updated-dependencies:
- dependency-name: com.linecorp.armeria:armeria-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dependencyManagement/build.gradle.kts

@@ -37,7 +37,7 @@ val DEPENDENCY_BOMS = listOf(
   "com.fasterxml.jackson:jackson-bom:2.13.4",
   "com.google.guava:guava-bom:31.1-jre",
   "com.google.protobuf:protobuf-bom:3.21.7",
-  "com.linecorp.armeria:armeria-bom:1.19.0",
+  "com.linecorp.armeria:armeria-bom:1.20.1",
   "io.grpc:grpc-bom:1.49.1",
   "io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:${if (!TEST_SNAPSHOTS) "$otelVersion-alpha" else "$otelSnapshotVersion-alpha-SNAPSHOT"}",
   "org.apache.logging.log4j:log4j-bom:2.19.0",