fix(deps): update identity.version to v8.6.9 (#1058)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -20,7 +20,7 @@
     <maven.compiler.target>${java.version}</maven.compiler.target>
 
     <zeebe.version>8.5.7</zeebe.version>
-    <identity.version>8.6.8</identity.version>
+    <identity.version>8.6.9</identity.version>
 
     <spring-boot.version>3.4.3</spring-boot.version>
     <commons-beanutils.version>1.10.1</commons-beanutils.version>