Add graalpy-config.py to copyrights/overrides

Author: otethal

mx.graalpython/copyrights/overrides

@@ -691,6 +691,7 @@ graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/sequence
 graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/sequence/storage/SequenceStoreException.java,zippy.copyright
 graalpython/python-libposix/src/fork_exec.c,python.copyright
 graalpython/python-venvlauncher/src/venvlauncher.c,python.copyright
+graalpython/lib-graalpython/modules/graalpy-config.py,python.copyright
 mx.graalpython/mx_graalpython.py,zippy.copyright
 mx.graalpython/mx_graalpython_bench_param.py,zippy.copyright
 mx.graalpython/mx_graalpython_benchmark.py,zippy.copyright