need to keep older uncrustify that is needed on citus 13 code

Author: ihalatci

circleci/images/stylechecker/Dockerfile

@@ -52,7 +52,7 @@ curl -fsSL "https://codeload.github.com/uncrustify/uncrustify/tar.gz/uncrustify-
 cd uncrustify-uncrustify-0.68.1/
 mkdir build
 cd build
-cmake ..
+cmake -DCMAKE_POLICY_VERSION_MINIMUM=3.5 ..
 make -j5
 make install
 cd ../..