ci: fix incorrect if else in build.sh

Author: NGPixel

dev/deploy/build.sh

@@ -5,7 +5,7 @@ yarn rebuild
 echo "Packaging static assets..."
 if [ "${SHOULD_DEPLOY}" == "true" ]; then
     yarn build --base=https://www.ietf.org/lib/dt/$PKG_VERSION/
-elif
+else
     yarn build
 fi
 yarn legacy:build