Merge branch 'bugfix/secure_boot_v2_key_gen_py3_v4.1' into 'release/v4.1'

esptool: Update submodule fixing Py3 keygen in Secure boot v2

See merge request espressif/esp-idf!11230
This commit is contained in:
Angus Gratton
2020-11-17 07:38:43 +08:00