Bugfix/new decode flag (#8634)

* Add docs for new python-decode-obj-api-strings flag

* Fix generate_code by adding missing s to flag

Author: fliiiix

docs/source/flatc.md

@@ -259,6 +259,8 @@ list of `FILES...`.
 
 -   `--python-typing` : Generate Python type annotations
 
+-   `--python-decode-obj-api-strings` : Decode bytes automaticaly with utf-8
+
 Additional gRPC options:
 
 -   `--grpc-filename-suffix`: `[C++]` An optional suffix for the generated

scripts/generate_code.py

@@ -104,7 +104,7 @@ def glob(path, pattern):
 KOTLIN_OPTS = ["--kotlin"]
 PHP_OPTS = ["--php"]
 DART_OPTS = ["--dart"]
-PYTHON_OPTS = ["--python", "--python-typing", "--python-decode-obj-api-string"]
+PYTHON_OPTS = ["--python", "--python-typing", "--python-decode-obj-api-strings"]
 BINARY_OPTS = ["-b", "--schema", "--bfbs-comments", "--bfbs-builtins"]
 PROTO_OPTS = ["--proto"]