esptool: Update to v2.2.1

Fixes a bug with >230400bps flashing on macOS, possibly other platforms.

Full release notes: https://github.com/espressif/esptool/releases/tag/v2.2.1

diff --git a/components/esptool_py/esptool b/components/esptool_py/esptool
index a532bc42573861779b39b989c333e1b5bcc723ed..200ab6e39487bef1df9db12a5be5b0682d80d3c1 160000 (submodule)
--- a/components/esptool_py/esptool
+++ b/components/esptool_py/esptool
@@ -1 +1 @@
-Subproject commit a532bc42573861779b39b989c333e1b5bcc723ed
+Subproject commit 200ab6e39487bef1df9db12a5be5b0682d80d3c1