GEODE-10549: Upgrade commons-io from 2.15.1 to 2.18.0 (#7979)

- Updated commons-io.version in DependencyConstraints.groovy
- All tests pass successfully with Java 8

This upgrade addresses potential security vulnerabilities and brings
performance improvements from the latest commons-io release.

Author: JinwooHwang

build-tools/geode-dependency-management/src/main/groovy/org/apache/geode/gradle/plugins/DependencyConstraints.groovy

@@ -33,7 +33,7 @@ class DependencyConstraints {
     // These version numbers are consumed by :geode-modules-assembly:distAppServer filtering
     // Some of these are referenced below as well
     deps.put("antlr.version", "2.7.7")
-    deps.put("commons-io.version", "2.15.1")
+    deps.put("commons-io.version", "2.18.0")
     deps.put("commons-lang3.version", "3.12.0")
     deps.put("commons-validator.version", "1.7")
     deps.put("fastutil.version", "8.5.8")