Bump io.opentelemetry:opentelemetry-bom from 1.39.0 to 1.40.0

Bumps [io.opentelemetry:opentelemetry-bom](https://github.com/open-telemetry/opentelemetry-java) from 1.39.0 to 1.40.0.
- [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@v1.39.0...v1.40.0)

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

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

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ jakartaWeb="9.1.0"
 otelInstrumentation="1.33.4-alpha"
 aopalliance="1.0"
 zipkinAws="1.2.5"
-otelBom="1.39.0"
+otelBom="1.40.0"
 logback = "1.5.6"
 wavefrontSdk="3.4.3"
 otelBomAlpha="1.39.0-alpha"