CI: Fix code navigation

Signed-off-by: Taylor Smock <tsmock@fb.com>

.gitlab-ci.yml

@@ -66,10 +66,10 @@ assemble with java 15:
 code_navigation:
   stage: build
   script:
-    - apk add --update curl
+    - apk add --update curl bash
     - curl -fLo coursier https://git.io/coursier-cli
-    - chmod +x coursier \
-    - ./coursier launch com.sourcegraph:lsif-java_2.13:0.4.0 -- index --build-tool gradle
+    - chmod +x coursier
+    - ./coursier launch com.sourcegraph:lsif-java_2.13:0.5.4 -- index --build-tool gradle
   artifacts:
     reports:
       lsif: dump.lsif