fix path (final..)

Author: nitins17

ci/envs/docker.env

@@ -14,7 +14,10 @@
 # ==============================================================================
 # This file contains all the docker specifc envs that are needed by the
 # ci/utilities/run_docker_container.sh script.
-source ./ci/default.env
+
+# Inherit default JAXCI environment variables.
+source ci/envs/default.env
+
 os=$(uname -s | awk '{print tolower($0)}')
 arch=$(uname -m)