Use our own rocksdb fork

Change-Id: I20c4aa9c947d7f35422c6934539340c9374ec9de
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 340ec01..f0209f3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,8 +39,8 @@
     - end_section install_linux_packages
 
     - start_section install_rocksdb_static "Building and installing rocksdb-static"
-    - curl -L https://github.com/facebook/rocksdb/archive/refs/tags/v5.11.3.tar.gz | tar zx
-    - cd rocksdb-5.11.3
+    - git clone https://github.com/kupietz/rocksdb.git -b 5.11.fb --single-branch
+    - cd rocksdb
     - export PROCS=$(nproc)
     - make -j $PROCS static_lib DISABLE_WARNING_AS_ERROR=1 WARNING_FLAGS=-w
     - ccache --show-stats