Update Quarkus Platform and Group to v3.26.3 (#2461)

Author: renovate-bot

gradle/libs.versions.toml

@@ -22,7 +22,7 @@ checkstyle = "10.25.0"
 hadoop = "3.4.2"
 hive = "3.1.3"
 iceberg = "1.9.2" # Ensure to update the iceberg version in regtests to keep regtests up-to-date
-quarkus = "3.25.4"
+quarkus = "3.26.3"
 immutables = "2.11.3"
 jmh = "1.37"
 picocli = "4.7.7"