Bump org.apache.commons:commons-lang3 from 3.12.0 to 3.18.0 in /Src/PEx

Bumps org.apache.commons:commons-lang3 from 3.12.0 to 3.18.0.

---
updated-dependencies:
- dependency-name: org.apache.commons:commons-lang3
  dependency-version: 3.18.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Src/PEx/pom.xml

@@ -107,7 +107,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.12.0</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.json</groupId>