Update POM version numbers for Apache Commons Text release 1.9
diff --git a/pom.xml b/pom.xml
index f4f599f..37c9d21 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <version>51</version>
   </parent>
   <artifactId>commons-text</artifactId>
-  <version>1.9-SNAPSHOT</version>
+  <version>1.9</version>
   <name>Apache Commons Text</name>
   <description>Apache Commons Text is a library focused on algorithms working on strings.</description>
   <url>https://commons.apache.org/proper/commons-text</url>