Bump opentelemetry-exporter-otlp from 1.17.0 to 1.18.0 (#59)

Bumps [opentelemetry-exporter-otlp](https://github.com/open-telemetry/opentelemetry-java) from 1.17.0 to 1.18.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-java/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-java/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-java@v1.17.0...v1.18.0)

---
updated-dependencies:
- dependency-name: io.opentelemetry:opentelemetry-exporter-otlp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

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

server/build.gradle

@@ -17,7 +17,7 @@ dependencies {
     implementation platform("io.opentelemetry:opentelemetry-bom:1.17.0")
     implementation('io.opentelemetry:opentelemetry-api:1.18.0')
     implementation('io.opentelemetry:opentelemetry-sdk:1.18.0')
-    implementation('io.opentelemetry:opentelemetry-exporter-otlp:1.17.0')
+    implementation('io.opentelemetry:opentelemetry-exporter-otlp:1.18.0')
     implementation('io.opentelemetry:opentelemetry-semconv:1.19.0-alpha-SNAPSHOT')
     implementation("io.opentelemetry:opentelemetry-exporter-zipkin")
     implementation 'io.grpc:grpc-netty-shaded:1.49.0'