idfboot: Update esp-idf for improved chip support

A recent commit from ESP-IDF adjusted the IRAM footprint of the
bootloader for RISC-V based chips, which impact on the available IRAM
for the application image:
espressif/esp-idf@0fb0be3

Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>