fix typo (#656)

Author: elvizlai

pgml-extension/docker/Cargo.toml.no-python

@@ -8,12 +8,11 @@ crate-type = ["cdylib"]
 
 [features]
 default = ["pg15"]
-pg10 = ["pgrx/pg10", "pgrx-tests/pg10" ]
 pg11 = ["pgrx/pg11", "pgrx-tests/pg11" ]
 pg12 = ["pgrx/pg12", "pgrx-tests/pg12" ]
 pg13 = ["pgrx/pg13", "pgrx-tests/pg13" ]
 pg14 = ["pgrx/pg14", "pgrx-tests/pg14" ]
-pg14 = ["pgrx/pg15", "pgrx-tests/pg15" ]
+pg15 = ["pgrx/pg15", "pgrx-tests/pg15" ]
 pg_test = []
 python = ["pyo3"]
 cuda = ["xgboost/cuda", "lightgbm/cuda"]