fix: wrong call to build script

.gitlab-ci.yml

@@ -9,7 +9,7 @@ build:
     - export TAG=${CI_COMMIT_TAG:-latest}
   script:
     - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN registry.e-biz.fr
-    - ./build $TAG
+    - ./build.sh $TAG
     - docker push $CI_REGISTRY_IMAGE/theia:$TAG
   rules:
     - if: '$CI_COMMIT_BRANCH == "main"'
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