feat: Upgraded esp-idf version to 64849cb7 (commit after v5.1.5 tag) #39

Job	Run time
build-esp32-at-all-function-test-just-bt / build-template-esp32	4m 16s
build-esp32c2-2mb-at / build-template-esp32c2	6m 35s
build-esp32c2-4mb-at / build-template-esp32c2	3m 35s
build-esp32-at-all-function-test-without-bt / build-template-esp32	4m 2s
build-esp32c3-at-full-function-test / build-template-esp32c3	4m 8s
build-esp32c2-ble-2mb-at / build-template-esp32c2	3m 34s
build-esp32c3-mini-1-at / build-template-esp32c3	3m 50s
build-esp32c3-rainmaker / build-template-esp32c3	4m 5s
build-esp32c3-spi-at / build-template-esp32c3	4m 25s
build-esp32c5-4mb-at / build-template-esp32c5	4m 29s
build-esp32-d2wd-at / build-template-esp32	3m 47s
build-esp32c6-4mb-at / build-template-esp32c6	3m 33s
build-esp32-mini-1-at / build-template-esp32	3m 56s
build-esp32-pico-d4-at / build-template-esp32	3m 46s
build-esp32s2-mini-at / build-template-esp32s2	4m 19s
build-esp32-sdio-at / build-template-esp32	4m 7s
build-esp32-solo-at / build-template-esp32	4m 4s
build-esp32-wroom-at / build-template-esp32	4m 17s
build-esp32-wrover-at / build-template-esp32	3m 47s
	1h 18m 35s

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