Bump commons-parent from 38 to 51

Bumps commons-parent from 38 to 51.

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index b1cd841..a924066 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-parent</artifactId>
-        <version>38</version>
+        <version>51</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <name>Apache Commons Exec</name>