ci: add firefish-js to backend deps

.gitlab-ci.yml

@@ -98,6 +98,7 @@ test:build:backend_ts_only:
       changes:
         paths:
           - packages/backend/**/*
+          - packages/firefish-js/**/*
           - packages/megalodon/**/*
       when: always
   before_script:
@@ -115,7 +116,7 @@ test:build:backend_ts_only:
     - psql --host postgres --user "${POSTGRES_USER}" --dbname "${POSTGRES_DB}" --command 'CREATE EXTENSION pgroonga'
   script:
     - pnpm install --frozen-lockfile
-    - pnpm --filter 'backend' --filter 'megalodon' run build:debug
+    - pnpm --filter 'backend' --filter 'firefish-js' --filter 'megalodon' run build:debug
     - pnpm run migrate
 
 test:build:client_only: