Pre-release: Update version to 2.26.2 (#1361)

This PR updates the version to 2.26.2.

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---------

Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Eric Zhang <zhaez@amazon.com>

Author: 3 people

CHANGELOG.md

@@ -13,6 +13,8 @@ If your change does not need a CHANGELOG entry, add the "skip changelog" label t
 
 ## Unreleased
 
+## v2.26.2 - 2026-04-20
+
 - Support environment-configured endpoint visibility for HTTP operation names
   ([#1352](https://github.com/aws-observability/aws-otel-java-instrumentation/pull/1352))
 - Bump Netty to 4.1.132.Final to fix CVE-2026-33870 and CVE-2026-33871

version.gradle.kts

@@ -13,7 +13,7 @@
  * permissions and limitations under the License.
  */
 
-val adotVersion = "2.26.1"
+val adotVersion = "2.26.2"
 
 allprojects {
   if (!project.hasProperty("release.version")) {