chore(deps): bump otel-instr from 2.20.1 to 2.21.0

Bumps `otel-instr` from 2.20.1 to 2.21.0.

Updates `io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom` from 2.20.1 to 2.21.0
- [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](open-telemetry/opentelemetry-java-instrumentation@v2.20.1...v2.21.0)

Updates `io.opentelemetry.javaagent:opentelemetry-javaagent` from 2.20.1 to 2.21.0
- [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](open-telemetry/opentelemetry-java-instrumentation@v2.20.1...v2.21.0)

Updates `io.opentelemetry.instrumentation:opentelemetry-instrumentation-annotations` from 2.20.1 to 2.21.0
- [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](open-telemetry/opentelemetry-java-instrumentation@v2.20.1...v2.21.0)

Updates `io.opentelemetry.instrumentation:opentelemetry-instrumentation-api` from 2.20.1 to 2.21.0
- [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](open-telemetry/opentelemetry-java-instrumentation@v2.20.1...v2.21.0)

---
updated-dependencies:
- dependency-name: io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.opentelemetry.javaagent:opentelemetry-javaagent
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.opentelemetry.instrumentation:opentelemetry-instrumentation-annotations
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.opentelemetry.instrumentation:opentelemetry-instrumentation-api
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -70,7 +70,7 @@ java-http                      = "1.2.0"
 fusionauth-jwt                 = "5.3.3"
 otel                           = "1.55.0"
 otel-alpha                     = "1.55.0-alpha"
-otel-instr                     = "2.20.1"
+otel-instr                     = "2.21.0"
 otel-instr-alpha               = "2.20.1-alpha"
 otel-semconv                   = "1.37.0"
 otel-contrib                   = "1.50.0-alpha"