fix(esptool): Bump esptool version to 4.9.dev1 on 3.1.x #1998

Job	Run time
Push event file	3s
Generate matrix	3s
Build (validation, esp32h2) / Build validation tests for esp32h2	2m 46s
Build (validation, esp32c6) / Build validation tests for esp32c6	3m 6s
Build (validation, esp32) / Build validation tests for esp32	3m 32s
Build (validation, esp32c3) / Build validation tests for esp32c3	2m 41s
Build (validation, esp32p4) / Build validation tests for esp32p4	2m 28s
Build (validation, esp32s3) / Build validation tests for esp32s3	4m 16s
Build (validation, esp32s2) / Build validation tests for esp32s2	3m 19s
QEMU	0s
Hardware	0s
	22m 14s

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