pom.xml(commons-lang3): update to 3.8

Changelog: https://commons.apache.org/proper/commons-lang/release-notes/RELEASE-NOTES-3.8.txt No functional changes.

Author: php-coder

pom.xml

@@ -482,7 +482,7 @@
 <!-- Redefine default value from spring-boot-dependencies (https://github.com/spring-projects/spring-boot/blob/v1.5.15.RELEASE/spring-boot-dependencies/pom.xml) -->
  <commons-pool.version>1.5.4</commons-pool.version>
 
- <commons.lang.version>3.7</commons.lang.version>
+ <commons.lang.version>3.8</commons.lang.version>
  <commons.text.version>1.4</commons.text.version>
  <compiler.plugin.version>3.7.0</compiler.plugin.version>
  <cucumber.version>1.2.5</cucumber.version>