build(deps): bump io.opentelemetry.instrumentation:opentelemetry-ktor-3.0

Bumps the gradle group with 1 update: [io.opentelemetry.instrumentation:opentelemetry-ktor-3.0](https://github.com/open-telemetry/opentelemetry-java-instrumentation).


Updates `io.opentelemetry.instrumentation:opentelemetry-ktor-3.0` from 2.11.0-alpha to 2.12.0-alpha
- [Release notes](https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-java-instrumentation/commits)

---
updated-dependencies:
- dependency-name: io.opentelemetry.instrumentation:opentelemetry-ktor-3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -5,7 +5,7 @@ val ktorVersion = "3.0.3"
 val logstashVersion = "8.0"
 val logbackVersion = "1.5.16"
 val opentelemetryVersion = "1.46.0"
-val opentelemetryKtorVersion = "2.11.0-alpha"
+val opentelemetryKtorVersion = "2.12.0-alpha"
 
 plugins {
     application