tools: bump windows tools installer version to v2.1
tools: bump windows tools installer version to v2.1

Includes the following changes:

80ad09f23 allow changing the installation path
(a fix for https://github.com/espressif/esp-idf/issues/3806)

9c5284e7b verify that IDF_PATH doesn't contain spaces

aaf3dcbda fix quoting of IDF_TOOLS_PATH
(a fix for https://github.com/espressif/esp-idf/issues/3807)

e6e179294 tools: update idf_exe to 1.0.1
76dc87e9a idf_exe: fix NULL pointer passed to WriteFile
(fixes for https://github.com/espressif/esp-idf/issues/3740)

espressif/esp-idf,espressif/esp-idf,espressif/esp-idf,espressif/esp-idf