esptool: Update to v2.5.1

Release notes: https://github.com/espressif/esptool/releases/tag/v2.5.1

Needed to no longer burn keys if 3/4 Coding Scheme is enabled.

diff --git a/components/esptool_py/esptool b/components/esptool_py/esptool
index fd8c25d2160505fb9d5abbe56f85116a136afb05..59b8dd8bfe3927dc11ffc06603fa082cb0f523bb 160000 (submodule)
--- a/components/esptool_py/esptool
+++ b/components/esptool_py/esptool
@@ -1 +1 @@
-Subproject commit fd8c25d2160505fb9d5abbe56f85116a136afb05
+Subproject commit 59b8dd8bfe3927dc11ffc06603fa082cb0f523bb