fix(deps): update dependency io.opentelemetry.javaagent:opentelemetry-javaagent to v2.20.1 (#1067)

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This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[io.opentelemetry.javaagent:opentelemetry-javaagent](https://redirect.github.com/open-telemetry/opentelemetry-java-instrumentation)
| `2.20.0` -> `2.20.1` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/io.opentelemetry.javaagent:opentelemetry-javaagent/2.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/io.opentelemetry.javaagent:opentelemetry-javaagent/2.20.0/2.20.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>open-telemetry/opentelemetry-java-instrumentation
(io.opentelemetry.javaagent:opentelemetry-javaagent)</summary>

###
[`v2.20.1`](https://redirect.github.com/open-telemetry/opentelemetry-java-instrumentation/blob/HEAD/CHANGELOG.md#Version-2201-2025-09-22)

##### 🛠️ Bug fixes

- Backport: Update the OpenTelemetry SDK version to 1.54.1

([#&#8203;14720](https://redirect.github.com/open-telemetry/opentelemetry-java-instrumentation/pull/14720))

</details>

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build.gradle

@@ -3,7 +3,7 @@ version = '10.0.0-SNAPSHOT' // the version of the actual release is set during t
 
 buildscript {
   ext {
-    otelInstrumentationVersion = "2.20.0"
+    otelInstrumentationVersion = "2.20.1"
   }
   repositories {
     maven {