Update .gitlab-ci.yml file

.gitlab-ci.yml

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cc40f4d..5a9d46c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,8 +25,10 @@
     - git --version
     - git fetch
     # - FILES=$(git diff --name-only origin/$CI_MERGE_REQUEST_SOURCE_BRANCH_NAME origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME)
-    - FILES=$(find . -type f)
+    - FILES=$(find . -type f -name "*.java")
     - echo $FILES > $VARIABLES_FILE
+    - FILES=$(find . -type f -name "*.xml")
+    - echo $FILES >> $VARIABLES_FILE
     - echo "Files to validate:"
     - echo $FILES | tr " " "\n"
   artifacts: