Bump opentelemetry.version from 1.28.0 to 1.29.0

Bumps `opentelemetry.version` from 1.28.0 to 1.29.0.

Updates `io.opentelemetry:opentelemetry-api` from 1.28.0 to 1.29.0
- [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@v1.28.0...v1.29.0)

Updates `io.opentelemetry:opentelemetry-sdk-testing` from 1.28.0 to 1.29.0
- [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@v1.28.0...v1.29.0)

---
updated-dependencies:
- dependency-name: io.opentelemetry:opentelemetry-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.opentelemetry:opentelemetry-sdk-testing
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -59,7 +59,7 @@
     <metrics.version>4.2.19</metrics.version>
     <micrometer.version>1.11.2</micrometer.version>
     <micrometer-tracing.version>1.1.4</micrometer-tracing.version>
-    <opentelemetry.version>1.28.0</opentelemetry.version>
+    <opentelemetry.version>1.29.0</opentelemetry.version>
     <jackson.version>2.15.2</jackson.version>
     <logback.version>1.2.12</logback.version>
     <junit.jupiter.version>5.10.0</junit.jupiter.version>