[DOXIATOOLS-63] Bump icu4j from 67.1 to 69.1

diff --git a/pom.xml b/pom.xml
index 729c5db..f477e41 100644
--- a/pom.xml
+++ b/pom.xml
@@ -178,7 +178,7 @@
     <dependency>
       <groupId>com.ibm.icu</groupId>
       <artifactId>icu4j</artifactId>
-      <version>67.1</version>
+      <version>69.1</version>
     </dependency>
 
     <!-- Plexus -->